Revert "usb: phy: snps: Do not use rext if efuse is programmed"

This reverts commit 23fdc5f7
which was cherry-picked by mistake. It added duplicate entries
for phy_rcal_reg and rcal_mask to struct msm_hsphy.

Change-Id: I6ce6b1a5177d2295586124e7c6b1ab525fd5d05e
Signed-off-by: Jack Pham <jackp@codeaurora.org>