[msm_shared/mmc]: Set high speed for sD card properly

Setting high speed mode for sD card properly.Without this, setting bus
width to 4bit was failing in class 2 sD card.

Decode CID fields for sD card properly as we use PSN for serial number
in fastboot and adb enumeration.

Change-Id: I63ca4e7bc77c274f9d7d6074a327ae0e483ba5f3
2 files changed