mmc: cmdq_hci: Fix timing and response type for busy commands

The response type and command timing for busy commands are
set incorrectly due to wrong cmd->flags check. Correct this
to check for MMC_RSP_BUSY flag.

Change-Id: I4498c302914a81bf19f61d20b30bd4426e21d3d0
Signed-off-by: Sahitya Tummala <stummala@codeaurora.org>