ufs: Handle UFS 3.0 controllers

Extend the version check to handle UFS 3.0 controllers as well.
Tested on R-Car S4 UFS 3.0 controller.

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reviewed-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
Tested-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>