qcacld-3.0: Android mk change for out of tree IPA

The IPA component has now been moved out of
the kernel. This change supports WLAN dependency
on IPA to access the IPA header files and
exported module symbols.

Change-Id: I0eb1b9ca49108cf27cec2895696d2517acb7d18e
CRs-Fixed: 3458960

Android.mk

@@ -145,6 +145,8 @@ KBUILD_OPTIONS += DEVNAME=$(LOCAL_DEV_NAME)
 KBUILD_OPTIONS += BOARD_PLATFORM=$(TARGET_BOARD_PLATFORM)
 KBUILD_OPTIONS += $(WLAN_SELECT)
 
+KBUILD_REQUIRED_KOS := ipam.ko
+
 ifneq ($(WLAN_CFG_OVERRIDE_$(LOCAL_DEV_NAME)),)
 KBUILD_OPTIONS += WLAN_CFG_OVERRIDE="$(WLAN_CFG_OVERRIDE_$(LOCAL_DEV_NAME))"
 endif
@@ -194,7 +196,7 @@ KBUILD_OPTIONS += $(foreach wlan_platform_kbuild_option, \
 		   $(WLAN_PLATFORM_KBUILD_OPTIONS), \
 		   $(wlan_platform_kbuild_option))
 
-KBUILD_OPTIONS += KBUILD_EXTRA_SYMBOLS=$(shell pwd)/$(call intermediates-dir-for,DLKM,wlan-platform-module-symvers)/Module.symvers
+KBUILD_OPTIONS += KBUILD_EXTRA_SYMBOLS+=$(shell pwd)/$(call intermediates-dir-for,DLKM,wlan-platform-module-symvers)/Module.symvers
 endif
 
 include $(CLEAR_VARS)