mmc: cmdq_hci: Fix issue with triggering queue status after dcmd

To trigger queue status command after sending dcmd, we need
to set bit 31 of CQ_VENDOR_CFG register. But the current code
incorrectly sets bit 31 of CQCTL register.

Change-Id: Ic5b914cf6a5237ac51b2104453caba2c49c1efbc
Signed-off-by: Sahitya Tummala <stummala@codeaurora.org>