mmc: renesas_sdhi: style fix for proper function bodies

Put the braces to the proper position to make reading the code easier.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20220320124538.62028-1-wsa+renesas@sang-engineering.com


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