Revert "ARM: dts: Add SDMMC0 host controller for TINY4412"

This reverts commit b7b3f4e0c45ed463cfb90f1b99bc81d0bd556aec.
ARM: dts: Add missing clock names for exynos4412 dwmmc node

This patch adds "biu" and "ciu" clock names for exynos4412 dwmmc
node. Without this patch, dwmmc host driver will skip enabling the
two clocks and it will break dwmmc host function on exynos4412.
Tested on FriendlyARM TINY4412 board.

Signed-off-by: Alex Ling <kasimling@gmail.com>
ARM: dts: Add dwmmc host for TINY4412

Signed-off-by: Alex Ling <kasimling@gmail.com>