mmc: sdhci-msm: convert to devm_platform_ioremap_resource

Use devm_platform_ioremap_resource() to simplify code.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20191215175120.3290-10-tiny.windzz@gmail.com


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