kernel/include: Missed nano_internal.h -> kernel_internal.h spots

Update heading naming given recent rename

Signed-off-by: Andy Ross <andrew.j.ross@intel.com>

arch/xtensa/core/thread.c

@@ -12,7 +12,7 @@
 #include <kernel_structs.h>
 #include <wait_q.h>
 #include <xtensa_config.h>
-#include <nano_internal.h>
+#include <kernel_internal.h>
 
 extern void _xt_user_exit(void);
 

arch/xtensa/core/xtensa-asm2.c

@@ -9,7 +9,7 @@
 #include <kernel.h>
 #include <ksched.h>
 #include <kernel_structs.h>
-#include <nano_internal.h>
+#include <kernel_internal.h>
 #include <kswap.h>
 #include <_soc_inthandlers.h>
 

kernel/init.c

@@ -27,7 +27,7 @@
 #include <version.h>
 #include <string.h>
 #include <misc/dlist.h>
-#include <nano_internal.h>
+#include <kernel_internal.h>
 #include <kswap.h>
 
 /* kernel build timestamp items */

kernel/poll.c

@@ -16,7 +16,7 @@
 
 #include <kernel.h>
 #include <kernel_structs.h>
-#include <nano_internal.h>
+#include <kernel_internal.h>
 #include <wait_q.h>
 #include <ksched.h>
 #include <kswap.h>

kernel/smp.c

@@ -8,7 +8,7 @@
 #include <kernel_structs.h>
 #include <spinlock.h>
 #include <kswap.h>
-#include <nano_internal.h>
+#include <kernel_internal.h>
 
 static struct k_spinlock global_spinlock;
 

kernel/thread.c

@@ -24,7 +24,7 @@
 #include <wait_q.h>
 #include <atomic.h>
 #include <syscall_handler.h>
-#include <nano_internal.h>
+#include <kernel_internal.h>
 #include <kswap.h>
 
 extern struct _static_thread_data _static_thread_data_list_start[];

kernel/thread_abort.c

@@ -13,7 +13,6 @@
 #include <kernel.h>
 #include <kernel_structs.h>
 #include <kernel_internal.h>
-#include <nano_internal.h>
 #include <kswap.h>
 #include <string.h>
 #include <toolchain.h>