mmc: host: Fix typos in comments across various files

This patch corrects several typos in comments within the mmc/host
directory. No functional changes are introduced, only comment
improvements for better readability.

Detected using codespell.

Signed-off-by: Yu Jiaoliang <yujiaoliang@vivo.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20240929093418.526901-1-yujiaoliang@vivo.com


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