Update comment in template FreeRTOSConfig.h (#1007)

Update the comment for configKERNEL_INTERRUPT_PRIORITY in the template
FreeRTOSConfig.h.

It was reported here - https://forums.freertos.org/t/migration-from-v10-5-1-to-v11-0-1-fails-with-new-freertosconfig-h-file/19276/

Signed-off-by: Gaurav Aggarwal <aggarg@amazon.com>

examples/template_configuration/FreeRTOSConfig.h

@@ -283,10 +283,9 @@
 /******************************************************************************/
 
 /* configKERNEL_INTERRUPT_PRIORITY sets the priority of the tick and context
- * switch performing interrupts.  The default value is set to the highest interrupt
- * priority (0).  Not supported by all FreeRTOS ports.  See
- * https://www.freertos.org/RTOS-Cortex-M3-M4.html for information specific to ARM
- * Cortex-M devices. */
+ * switch performing interrupts.  Not supported by all FreeRTOS ports.  See
+ * https://www.freertos.org/RTOS-Cortex-M3-M4.html for information specific to
+ * ARM Cortex-M devices. */
 #define configKERNEL_INTERRUPT_PRIORITY          0
 
 /* configMAX_SYSCALL_INTERRUPT_PRIORITY sets the interrupt priority above which