The following check in sd_zbc_cmnd_checks() can only work correctly if the
zone size is a power of two:

	if (sector & (sd_zbc_zone_sectors(sdkp) - 1))
		/* Unaligned request */
		return BLK_STS_IOERR;

Hence this patch that verifies that the zone size is a power of two.

Link: https://lore.kernel.org/r/20220421183023.3462291-3-bvanassche@acm.orgReviewed-by: NDamien Le Moal <damien.lemoal@opensource.wdc.com>
Reviewed-by: NHimanshu Madhani <himanshu.madhani@oracle.com>
Acked-by: NDouglas Gilbert <dgilbert@interlog.com>
Signed-off-by: NBart Van Assche <bvanassche@acm.org>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>