mmc: sdhci-msm: Fix HW issue with power IRQ handling during reset

There is a rare scenario in HW, where the first clear pulse could
be lost when the actual reset and clear/read of status register
are happening at the same time. Fix this by retrying upto 10 times
to ensure the status register gets cleared. Otherwise, this will
lead to a spurious power IRQ which results in system instability.

Change-Id: I4ed7879ee495ee1df6b6ccccd4b13614657d853a
Signed-off-by: Sahitya Tummala <stummala@codeaurora.org>