Revert "mmc: msm_sdcc: fix pwrsave bit handling"

This reverts commit 2ee4b9b31e66b68f1167c4bf2de426cca1da95bb.

Change-Id: I9a69825f592bdd5e21fdefafd47b00c07f914269
Merge "Revert "mmc: msm_sdcc: fix pwrsave bit handling"" into kk_2.7-stable