mmc: core: Check if card supports strobe before calling host ops

Should check if mmc_card supports strobe before calling
enhanced strobe host ops. This also adds a macro for use
by LLD to know if card supports strobe

Change-Id: Id79098ff66bd36be2496b86bf71556204aca7fe3
Signed-off-by: Ritesh Harjani <riteshh@codeaurora.org>
[subhashj@codeaurora.org: fixed trivial merge conflicts]
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
[xiaonian@codeaurora.org: fixed trivial merge conflicts]
Signed-off-by: Xiaonian Wang <xiaonian@codeaurora.org>
2 files changed