cnss2: Add securemsm-kernel uapi path

Add securemsm-kernel uapi path to
makefile, since smcinvoke.h is moving.

Change-Id: Ic44f31e2050bfd09400da312250029ab732ff0e1
CRs-Fixed: 3562598

cnss2/Makefile

@@ -11,6 +11,7 @@ ifeq ($(CONFIG_CNSS_HW_SECURE_DISABLE), y)
 ccflags-y += -I$(WLAN_PLATFORM_ROOT)/../../securemsm-kernel/smcinvoke/
 ccflags-y += -I$(WLAN_PLATFORM_ROOT)/../../securemsm-kernel/linux/
 ccflags-y += -I$(WLAN_PLATFORM_ROOT)/../../securemsm-kernel/include/linux/
+ccflags-y += -I$(WLAN_PLATFORM_ROOT)/../../securemsm-kernel/include/uapi/linux/
 endif
 
 obj-$(CONFIG_CNSS2) += cnss2.o