ANDROID: GKI: enable CONFIG_SCSI_UFS_BSG=y

It is needed for many UFS devices, so build it in so that devices can
boot properly :)

Bug: 162046707
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I3c8d57dafbf985533e7d5b0977aaa8155cc34cf3