mmc: sdhci-msm: Update the MGPI SW check to avoid irq timeout

Without this check one irq is not handled properly at boot
leading to irq timeout.
Because of this timeout, boot time delay is being observed.

Update the MGPI SW check to avoid irq timeout and boot delay.

Change-Id: I059da770bc789023f59aa927c4b8a49736678363
Signed-off-by: Sarthak Garg <quic_sartgarg@quicinc.com>