ARM: tegra: paz00: reorder the SDHCI channel init

This reorders the SDHCI channel init order. With this patch, the
internal emmc gets the mmcblk0 device while the external sdmmc port
gets mmcblk1. This change is only for convenience.

Signed-off-by: Marc Dietrich <marvin24@gmx.de>
Signed-off-by: Olof Johansson <olof@lixom.net>