coding style: src: remove empty lines at end of text files

Empty lines at end of text files are useless.
Remove them.

Change-Id: Ibac9b36682d58f81e34ca2b51e6260e7d472fb0e
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-on: http://openocd.zylin.com/5172
Tested-by: jenkins

src/rtos/embKernel.c

@@ -340,4 +340,3 @@ static int embKernel_get_symbol_list_to_lookup(symbol_table_elem_t *symbol_list[
 
 	return 0;
 }
-

src/rtos/nuttx.c

@@ -401,4 +401,3 @@ struct rtos_type nuttx_rtos = {
 	.get_thread_reg_list = nuttx_get_thread_reg_list,
 	.get_symbol_list_to_lookup = nuttx_get_symbol_list_to_lookup,
 };
-

src/rtos/rtos_embkernel_stackings.c

@@ -51,5 +51,3 @@ const struct rtos_register_stacking rtos_embkernel_Cortex_M_stacking = {
 	rtos_generic_stack_align8,	/* stack_alignment */
 	rtos_embkernel_Cortex_M_stack_offsets	/* register_offsets */
 };
-
-

src/rtos/rtos_mqx_stackings.c

@@ -77,4 +77,3 @@ const struct rtos_register_stacking rtos_mqx_arm_v7m_stacking = {
 	NULL,					/* stack_alignment */
 	rtos_mqx_arm_v7m_stack_offsets	/* register_offsets */
 };
-