nanohub: build: add dependency on variant's header files for non-Android build
am: a78ea015d3

Change-Id: Ibd3e14d0ccd9d621ab4e78e177572ce35e822951
diff --git a/firmware/firmware.mk b/firmware/firmware.mk
index eeda9b1..0c81072 100644
--- a/firmware/firmware.mk
+++ b/firmware/firmware.mk
@@ -93,6 +93,7 @@
 DEPS += $(wildcard inc/*.h)
 DEPS += $(wildcard ../inc/*.h)
 DEPS += $(wildcard ../inc/chre/*.h)
+DEPS += $(wildcard $(VARIANT_PATH)/inc/variant/*.h)
 DEPS += firmware.mk firmware_conf.mk $(MAKE_PLAT) $(MAKE_CPU) $(MAKE_VAR)
 DELIVERABLES += $(OUT)/full.bin