FP4: Build GPS HAL from source

Change-Id: I9bd42ab788a72ac80810d37b77591ebf0312a708
diff --git a/BoardConfig.mk b/BoardConfig.mk
index 8f8d8ee..7cb523f 100644
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -61,6 +61,10 @@
 # Filesystem
 TARGET_FS_CONFIG_GEN := $(DEVICE_PATH)/config.fs
 
+# GPS
+BOARD_VENDOR_QCOM_GPS_LOC_API_HARDWARE := default
+LOC_HIDL_VERSION := 4.0
+
 # HIDL
 DEVICE_FRAMEWORK_COMPATIBILITY_MATRIX_FILE := \
     $(DEVICE_PATH)/framework_compatibility_matrix.xml \