platform: msm_shared: Fix MMC tuning in LK for re-tuning.

While re-tuning we send switch command which fails, as per
expectation since host clock is already on 200MHZ, need to
continue with re-tuning and change device strength to default,
similar thing done in HLOS.

Change-Id: I613692dea43dfd3fc20efc7980efa371a152d027
2 files changed