Jaehoon has volunteered in maintaining the SDHCI SAMSUNG DRIVER so
add him.

Since we are updating this section let's also correct file path to
cover all files for sdhci-s3c.

Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>