arch/arm/src/armv8-m/up_exceptions.S : Fix build warning
armv8-m/up_exception.S:214:7: warning: "CONFIG_ARCH_HIPRI_INTERRUPT" is not defined [-Wundef]
#elif CONFIG_ARCH_HIPRI_INTERRUPT
^~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -211,7 +211,7 @@ exception_common:
cpsid i
#endif
-#elif CONFIG_ARCH_HIPRI_INTERRUPT
+#elif defined(CONFIG_ARCH_HIPRI_INTERRUPT)
/* Set the BASEPRI register so that further normal interrupts will be
* masked. Nested, high priority may still occur, however.
*/
