phy: ufs: Remove redundant rate B calibration values

Since PHY calibration values for Rate B override those of rate A, it's
unnecessary to have duplicate values.
This patch removes all the redundant values to optimize calibration
sequence

Change-Id: I60638e02292255e3308ea82aa75baa9abde86614
Signed-off-by: Dolev Raviv <draviv@codeaurora.org>