The BCB_SUPPORT is not needed by fastboot to support uuu, change it to
disabled at default. Android header file explicitly enables this
config, so there is no impact to android.
Also remove the CONFIG_BCB_SUPPORT from whilelist, since we already add
it in kconfig.
Signed-off-by: Ye Li <email@example.com>
(cherry picked from commit 36fd8fd0d5f34d69ef9a1a3833f3f052d64a25b3)