build: Include vendor/extra/BoardConfigExtra.mk if available
Change-Id: Icd0db0852ceee5cb5c701c9a40b829e1f3ebd69e
diff --git a/core/config.mk b/core/config.mk
index 4bb9a42..fee7ccb 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -440,6 +440,8 @@
# See envsetup.mk for a description of SCAN_EXCLUDE_DIRS
FIND_LEAVES_EXCLUDES := $(addprefix --prune=, $(SCAN_EXCLUDE_DIRS) .repo .git)
+-include vendor/extra/BoardConfigExtra.mk
+
# The build system exposes several variables for where to find the kernel
# headers:
# TARGET_DEVICE_KERNEL_HEADERS is automatically created for the current