mmc: sdhci-msm: Toggle fifo write clk after ungating sdcc clk

With sdcc clk gating enabled using runtime suspend pm callbacks.
Toggle fifo write clk after ungating sdcc clk as part of ungating.

Change-Id: Ibef2d1d283ac0b6983c609a4abc98bc574d31fa6
Signed-off-by: Ram Prakash Gupta <rampraka@codeaurora.org>