add gs101-specific recovery library

This library is hooked into the recovery code via
hardware/google/pixel/recovery and contains routines specific to the
GS101-based hardware.

Bug: 182508814
Test: did master reset on device with keys, verified no keys present after reset
Signed-off-by: Jeffrey Carlyle <jcarlyle@google.com>
Signed-off-by: Harpreet Eli Sangha <eliptus@google.com>
Change-Id: I18357f5ac8db7a765a5464fd3366af3d14928ce6
diff --git a/BoardConfig-common.mk b/BoardConfig-common.mk
index 41b384d..35c29d0 100644
--- a/BoardConfig-common.mk
+++ b/BoardConfig-common.mk
@@ -413,3 +413,5 @@
 
 # Enable larger logbuf
 BOARD_KERNEL_CMDLINE += log_buf_len=1024K
+
+-include vendor/google_devices/gs101/proprietary/BoardConfigVendor.mk