mmc: sh_mmcif: use sh_mmcif_xxx prefix for all functions
mmc: sh_mmcif: use sh_mmcif_xxx prefix for all functions

Current sh_mmcif driver is using sh_mmcif_xxx and mmcif_xxx
for functions. This patch used sh_mmcif_xxx for all functions.

Signed-off-by: Kuninori Morimoto <a3b51ccb87d18302c1692defcfbf83319d1737eb@renesas.com>
Tested-by: Keita Kobayashi <048cd0c66a9ea33b8696e50938c14b7a24fb1a8e@renesas.com>
Signed-off-by: Ulf Hansson <fe47b31f388f85ce6ddf64bf3a0cf6b46077d0e6@linaro.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs