board: mt8183: select CMD_BCB for android

Android uses the Bootloader Control Block (BCB) to configure the boot
flow.

Signed-off-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
diff --git a/board/mediatek/mt8183/Kconfig b/board/mediatek/mt8183/Kconfig
index 23b5a51..3238a14 100644
--- a/board/mediatek/mt8183/Kconfig
+++ b/board/mediatek/mt8183/Kconfig
@@ -16,5 +16,6 @@
 	select OF_LIBFDT
 	select OF_LIBFDT_OVERLAY
 	select CMD_DTIMG
+	select CMD_BCB
 
 endif