samples:philosophers:Reformated 80-column width, 80-chars tabs

This patch reformats philosophers sample to fit in 80 columns
with 8-char tabs. It also fixes other coding style issues
reported by chechpatch.pl script with -f option.

Change-Id: Ie7ed59db4e67e279a26000247a1838221ac37cd3
Signed-off-by: Yannis Damigos <giannis.damigos@gmail.com>

samples/philosophers/microkernel/src/phil.h

@@ -27,7 +27,8 @@
  * Therefore use puts() instead of printf().
  */
 #if defined(CONFIG_STDOUT_CONSOLE)
-  #define PRINTF(...) {char output[256]; sprintf(output, __VA_ARGS__); puts(output);}
+#define PRINTF(...) { char output[256]; \
+		      sprintf(output, __VA_ARGS__); puts(output); }
 #else
 #define PRINTF(...) printk(__VA_ARGS__)
 #endif

samples/philosophers/microkernel/src/phil_fiber.c

@@ -19,7 +19,7 @@
 #include "phil.h"
 
 #ifdef CONFIG_NANOKERNEL
-  #define FORK(x) &forks[x]
+#define FORK(x) (&forks[x])
 #define TAKE(x) nano_fiber_sem_take(x, TICKS_UNLIMITED)
 #define GIVE(x) nano_fiber_sem_give(x)
 #else  /* ! CONFIG_NANOKERNEL */
@@ -37,7 +37,8 @@
 
 extern struct nano_sem forks[N_PHILOSOPHERS];
 #else  /* ! CONFIG_NANOKERNEL */
-kmutex_t forks[] = {forkMutex0, forkMutex1, forkMutex2, forkMutex3, forkMutex4, forkMutex5};
+kmutex_t forks[] = {forkMutex0, forkMutex1, forkMutex2, forkMutex3, forkMutex4,
+		    forkMutex5};
 #endif /*  CONFIG_NANOKERNEL */
 
 /**

samples/philosophers/microkernel/src/phil_task.c

@@ -29,7 +29,6 @@
 	"of differing priorities and the %s semaphores and timers."
 
 #ifdef CONFIG_NANOKERNEL
-
 #define STSIZE 1024
 
 /* externs */
@@ -71,7 +70,6 @@ int main(void)
 		nano_cpu_idle();
 	}
 }
-
 #else
 /**
  *