mmc: msm_sdcc: skip the start request if SDCC is in bad state

If SDCC power/clock is off or SDCC interrupt is disabled and if we
configure the SDCC to start new request, it's definitely going to fail
so it's better not to start the request if SDCC is not in proper
state to handle it.

Change-Id: Ib49ab456ad61a0333205b3f3399250fcd097d218
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>