UPSTREAM: mmc: cqhci: Add cqhci_deactivate()

Host controllers can reset CQHCI either directly or as a consequence of
host controller reset. Add cqhci_deactivate() which puts the CQHCI
driver into a state that is consistent with that.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Veerabhadrarao Badiganti <vbadigan@codeaurora.org>
Link: https://lore.kernel.org/r/1583503724-13943-2-git-send-email-vbadigan@codeaurora.org


Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Bug: 158284839
Git-repo: https://android.googlesource.com/kernel/common/


Git-Commit: a94dfc3e8b297efeeb7ae17d7d31c213d54f2d3e
Change-Id: Iaa1feaef3445ada7c8cb657fc662cd3287e6d683
Signed-off-by: Veerabhadrarao Badiganti <vbadigan@codeaurora.org>
Signed-off-by: Sarthak Garg <sartgarg@codeaurora.org>