block: Remove "select BLK" from non-block drivers

block: Remove "select BLK" from non-block drivers

Now that block drivers are all selecting the BLK symbol, there's no need
for other options to be select'ing BLK so that other required
functionality can be enabled. Remove these places.

Reviewed-by: Peter Robinson <pbrobinson@gmail.com>
Reviewed-by: Quentin Schulz <quentin.schulz@cherry.de>
Signed-off-by: Tom Rini <trini@konsulko.com>