write primary and backup copies of the manta bootloader

Bug: 6641429
Change-Id: Ibfa46e7369cb3ed641474e94736f9570ae298963
diff --git a/BoardConfig.mk b/BoardConfig.mk
index 785896c..ab2cef1 100755
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -70,4 +70,5 @@
 
 TARGET_RECOVERY_PIXEL_FORMAT := RGBX_8888
 TARGET_RECOVERY_UI_LIB := librecovery_ui_manta
+TARGET_RECOVERY_UPDATER_LIBS += librecovery_updater_manta
 TARGET_RELEASETOOLS_EXTENSIONS := device/samsung/manta