ARM: dts: s3c64xx: Add nodes for sdhci controllers

This patch adds device tree nodes for three sdhci controllers available
on Samsung S3C64xx SoCs.

Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
RM: s3c64xx: s3c64xx-dt: Add auxdata for sdhci controllers

This patch adds compatibility auxdata for device tree support
of sdhci controllers available on Samsung S3C64xx SoCs.

Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
ARM: dts: s3c6410-mini6410: Add node for sdhci controller

Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>