soc.mk: do not clobber TARGET_KERNEL_CONFIGS
This variable is a list of multiple kconf entries, so don't clobber it.
BUG=b/27675566
TEST=built edison w/custom settings and it works now
Change-Id: If6bdf872a6431b06c4cb5d1811db111a05d98995
diff --git a/soc/fs1130/soc.mk b/soc/fs1130/soc.mk
index 687bb31..4be2955 100644
--- a/soc/fs1130/soc.mk
+++ b/soc/fs1130/soc.mk
@@ -46,7 +46,7 @@
TARGET_KERNEL_SRC := hardware/bsp/kernel/imagination/v4.1
TARGET_KERNEL_DEFCONFIG := pistachio_defconfig
-TARGET_KERNEL_CONFIGS := $(realpath $(LOCAL_PATH)/soc.kconf)
+TARGET_KERNEL_CONFIGS := $(TARGET_KERNEL_CONFIGS) $(realpath $(LOCAL_PATH)/soc.kconf)
# Keystore HAL
DEVICE_PACKAGES += \
