f2fs: Do not allow adaptive mode for host-managed zoned block devices

commit 3adc57e97792e4ac9f228bde802829e2e9840afe upstream.

The LFS mode is mandatory for host-managed zoned block devices as
update in place optimizations are not possible for segments in
sequential zones.

Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>