mmc: Fix eMMC suspend/resume sequence

mmc: Fix eMMC suspend/resume sequence

- Fix eMMC sleep/awake calls and set/clear
  required card state flags.
- Add option to parse MMC_PM_IGNORE_PM_NOTIFY
  option from dt.
- Do not use eMMC sleep mode feature, if host
  doesn't support it.

Bug 200212629

Change-Id: I6968be47e5cedac8ec721e64813a09febccb7dc3
Signed-off-by: Pavan Kunapuli <pkunapuli@nvidia.com>
Signed-off-by: R Raj Kumar <rrajk@nvidia.com>
Reviewed-on: http://git-master/r/1170304
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Venu Byravarasu <vbyravarasu@nvidia.com>