bc: include basic calculator in ramdisk

Change-Id: Ia16fc28a234396e996e84de8496294b26053869b
diff --git a/Android.mk b/Android.mk
index 8cdf057..effab7f 100755
--- a/Android.mk
+++ b/Android.mk
@@ -392,6 +392,7 @@
     relink_libraries \
     relink_binaries \
     twrp_ramdisk \
+    bc \
     dump_image \
     erase_image \
     flash_image \
diff --git a/prebuilt/Android.mk b/prebuilt/Android.mk
index 61ac255..d3672b6 100755
--- a/prebuilt/Android.mk
+++ b/prebuilt/Android.mk
@@ -37,6 +37,7 @@
 endif
 
 RECOVERY_BINARY_SOURCE_FILES += $(TARGET_RECOVERY_ROOT_OUT)/system/bin/fastbootd
+RECOVERY_BINARY_SOURCE_FILES += $(TARGET_OUT_EXECUTABLES)/bc
 RECOVERY_BINARY_SOURCE_FILES += $(TARGET_OUT_EXECUTABLES)/e2fsck
 RECOVERY_BINARY_SOURCE_FILES += $(TARGET_OUT_EXECUTABLES)/e2fsdroid
 RECOVERY_BINARY_SOURCE_FILES += $(TARGET_OUT_EXECUTABLES)/mke2fs