dck: pick up recovery mode library for digital car key wiping

This is done by conditionally including the makefile under vendor so
that AOSP builds where vendor is not present do not faile.

(cherry picked from commit a3a42642f37eafbc2d460979d829a304e08e5d83)

Bug: 203234558
Test: data wipe in Android recovery mode on raven
Test: data wipe in Android recovery mode on c10
Test: data wipe in user mode fastbootd mode on raven
Test: data wipe in user mode fastbootd mode on c10
Signed-off-by: Jeffrey Carlyle <jcarlyle@google.com>
Change-Id: I0ef9dd1ea9eae90ed4feabd19bf9edc7434a572b
diff --git a/BoardConfig-common.mk b/BoardConfig-common.mk
index 9ca9773..0f7c882 100644
--- a/BoardConfig-common.mk
+++ b/BoardConfig-common.mk
@@ -414,3 +414,6 @@
 
 # Protected VM firmware
 BOARD_PVMFWIMAGE_PARTITION_SIZE := 0x00100000
+
+# pick up library for cleaning digital car keys on factory reset
+-include vendor/google_devices/gs-common/proprietary/BoardConfigVendor.mk