arm:mmc:goni/exynos: Fix wrong mmc base register devices offset.

arm:mmc:goni/exynos: Fix wrong mmc base register devices offset.

On s5pc1xx mmc devices offset is multiply of 0x100000,
wrong value was 0x10000. Register offset always points
to mmc 0 before this change.

Add macro definition of mmc dev register offset to s5pc1xx and
exynos mmc.

Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
CC: Minkyu Kang <mk7.kang@samsung.com>
Acked-by: Jaehoon Chung <jh80.chung at samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>