doc: fix 'unexpected indentation' warnings

Add a blank line in most places is the fix needed, to have the
formatting engine recognize it properly.

Change-Id: Iccaa0e51146b1e2c138e89ab1dd0067fc1409e4d
Signed-off-by: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>

doc/kernel/microkernel/microkernel_pipes.rst

@@ -15,8 +15,11 @@ but not yet received; alternatively, the pipe may have no ring buffer.
 Pipes can be used to transfer chunks of data in whole or in part, and either
 synchronously or asynchronously.
 
-Any number of pipes can be defined in a microkernel system. Each pipe needs
+Any number of pipes can be defined in a microkernel system. Each pipe
+needs
+
 * A **name** to uniquely identify it.
+
 * A **size**, in bytes, of the ring buffer. Note that a size of zero defines
   a pipe with no ring buffer.
 

doc/kernel/nanokernel/nanokernel_fibers.rst

@@ -281,27 +281,33 @@ APIs affecting the currently-executing fiber are provided
 by :file:`microkernel.h` and by :file:`nanokernel.h`:
 
 :cpp:func:`fiber_yield()`
+
    Yield the CPU to higher priority and equal priority fibers.
 
 :cpp:func:`fiber_sleep()`
+
    Yield the CPU for a specified time period.
 
 :cpp:func:`fiber_abort()`
+
    Terminate fiber execution.
 
-APIs affecting a specified fiber are provided by
-:file:`microkernel.h` and by :file:`nanokernel.h`:
+APIs affecting a specified fiber are provided by :file:`microkernel.h`
+and by :file:`nanokernel.h`:
 
 :cpp:func:`task_fiber_start()`, :cpp:func:`fiber_fiber_start()`,
 :cpp:func:`fiber_start()`
+
    Spawn a new fiber.
 
 :cpp:func:`task_fiber_delayed_start()`,
 :cpp:func:`fiber_fiber_delayed_start()`,
 :cpp:func:`fiber_delayed_start()`
+
    Spawn a new fiber after a specified time period.
 
 :cpp:func:`task_fiber_delayed_start_cancel()`,
 :cpp:func:`fiber_fiber_delayed_start_cancel()`,
 :cpp:func:`fiber_delayed_start_cancel()`
+
    Cancel spawning of a new fiber, if not already started.

doc/kernel/nanokernel/nanokernel_fifos.rst

@@ -129,13 +129,16 @@ APIs
 The following APIs for a nanokernel FIFO are provided by :file:`nanokernel.h`:
 
 :cpp:func:`nano_fifo_init()`
+
    Initializes a FIFO.
 
 :cpp:func:`nano_task_fifo_put()`, :cpp:func:`nano_fiber_fifo_put()`,
 :cpp:func:`nano_isr_fifo_put()`, :cpp:func:`nano_fifo_put()`
+
    Add an item to a FIFO.
 
 :cpp:func:`nano_task_fifo_get()`, :cpp:func:`nano_fiber_fifo_get()`,
 :cpp:func:`nano_isr_fifo_get()`, :cpp:func:`nano_fifo_get()`
-   Remove an item from a FIFO, or waits for an item for a specified time
-   period if it is empty.
+
+   Remove an item from a FIFO, or waits for an item for a specified
+   time period if it is empty.

doc/kernel/nanokernel/nanokernel_lifos.rst

@@ -127,13 +127,16 @@ APIs
 The following APIs for a nanokernel LIFO are provided by :file:`nanokernel.h`:
 
 :cpp:func:`nano_lifo_init()`
+
    Initializes a LIFO.
 
 :cpp:func:`nano_task_lifo_put()`, :cpp:func:`nano_fiber_lifo_put()`,
 :cpp:func:`nano_isr_lifo_put()`, :cpp:func:`nano_lifo_put()`
+
    Add an item to a LIFO.
 
 :cpp:func:`nano_task_lifo_get()`, :cpp:func:`nano_fiber_lifo_get()`,
 :cpp:func:`nano_isr_lifo_get()`, :cpp:func:`nano_lifo_get()`
-   Remove an item from a LIFO, or waits for an item for a specified time
-   period if it is empty.
+
+   Remove an item from a LIFO, or waits for an item for a specified
+   time period if it is empty.

doc/kernel/nanokernel/nanokernel_stacks.rst

@@ -128,12 +128,15 @@ The following APIs for a nanokernel stack are provided by
 :file:`nanokernel.h`:
 
 :cpp:func:`nano_stack_init()`
+
    Initializes a stack.
 
 :cpp:func:`nano_task_stack_push()`, :cpp:func:`nano_fiber_stack_push()`,
 :cpp:func:`nano_isr_stack_push()`, :cpp:func:`nano_stack_push()`
+
    Add an item to a stack.
 
 :cpp:func:`nano_task_stack_pop()`, :cpp:func:`nano_fiber_stack_pop()`,
 :cpp:func:`nano_isr_stack_pop()`, :cpp:func:`nano_stack_pop()`
+
    Remove an item from a stack, or wait for an item if it is empty.

doc/kernel/nanokernel/nanokernel_synchronization.rst

@@ -119,12 +119,15 @@ The following APIs for a nanokernel semaphore are provided
 by :file:`nanokernel.h`:
 
 :cpp:func:`nano_sem_init()`
+
    Initialize a semaphore.
 
 :cpp:func:`nano_task_sem_give()`, :cpp:func:`nano_fiber_sem_give()`,
 :cpp:func:`nano_isr_sem_give()`, :cpp:func:`nano_sem_give()`
+
    Signal a sempahore.
 
 :cpp:func:`nano_task_sem_take()`, :cpp:func:`nano_fiber_sem_take()`,
 :cpp:func:`nano_isr_sem_take()`, :cpp:func:`nano_sem_take()`
+
    Wait on a semaphore for a specified time period.

doc/kernel/nanokernel/nanokernel_timers.rst

@@ -156,19 +156,24 @@ APIs for a nanokernel timer provided by :file:`nanokernel.h`
 ============================================================
 
 :cpp:func:`nano_timer_init()`
+
    Initialize a timer.
 
 :cpp:func:`nano_task_timer_start()`, :cpp:func:`nano_fiber_timer_start()`,
 :cpp:func:`nano_isr_timer_start()`, :cpp:func:`nano_timer_start()`
+
    Start a timer.
 
 :cpp:func:`nano_task_timer_test()`, :cpp:func:`nano_fiber_timer_test()`,
 :cpp:func:`nano_isr_timer_test()`, :cpp:func:`nano_timer_test()`
+
    Wait or test for timer expiration.
 
 :cpp:func:`nano_task_timer_stop()`, :cpp:func:`nano_fiber_timer_stop()`,
 :cpp:func:`nano_isr_timer_stop()`, :cpp:func:`nano_timer_stop()`
+
    Force timer expiration, if not already expired.
 
 :cpp:func:`nano_timer_ticks_remain()`
+
    Return timer ticks before timer expiration.