Ccommit d3d9c457 ("scsi: ufs: Fix memory corruption by
ufshcd_read_desc_param()") has properly fixed stack overflow issue.

As a result, commit a2fca52e ("scsi: ufs: WB is only available on LUN
#0 to #7") is no longer required. Revert it.

Cc: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Bean Huo <beanhuo@micron.com>
Link: https://lore.kernel.org/r/20221025222430.277768-2-beanhuo@iokpp.deReviewed-by: Arthur Simchaev <arthur.simchaev@wdc.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>