scsi: ufs: Enable write booster feature support on UFS 2.2

Writebooster is now officially supported by UFS 2.2 specs
and since this is accepted by JEDEC , new devices supporting
UFS 2.2 specs is going to come in market.
Enabling writebooster feature for device supporting
UFS 2.2 specs.

Change-Id: Ice1142ba11dc9003b70a61c517c80da31dab939b
Signed-off-by: Nitin Rawat <nitirawa@codeaurora.org>