mmc: cqhci: Make use of cqhci_halted() routine

Make use of cqhci_halted() in couple places to avoid open-coding.

Signed-off-by: Seunghwan Baek <sh8267.baek@samsung.com>
Reviewed-by: Ritesh Harjani <ritesh.list@gmail.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20240829061823.3718-3-sh8267.baek@samsung.com


Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>