scsi: ufs: Update condition for setting PA_TXHSADAPTTYPE

Attribute PA_TXHSADAPTTYPE(0x15d4) is added in
unipro version 1.8 onwards for UFS HS G4 support.
On older version's (which do not support G4),
ufshcd_dme_set for attr 0x15d4 always fails with
INVALID_MIB_ATTRIBUTE and fails QMVS validation.
This change uses correct condition check before
setting UFS adapt type attribute.

Change-Id: I3c8ff1b3b2aff2aba86cf0d812e50d90466ccd18
Signed-off-by: Sayali Lokhande <sayalil@codeaurora.org>