Add S5PV210/S5PC110 platform helpers

[Marek Szyprowski]

Hello,

This patch series add platform support for HSMMC and I2C device drivers on
S5PV210/S5PC110 systems.

This is a continuation of the patch series:
'Add support for Aquita board (Samsung S5PC110 based)' posted here last week.

This patch series includes:

[PATCH 1/2] ARM: S5PV210: add common I2C device helpers
[PATCH 2/2] ARM: S5PV210: add common HSMMC device helpers