[PATCH v3 0/3] provide sdhci driver for mmp2 and pxa910

[zhangfei gao]

v2->v3, modify according to Arnd and Philip suggestion.

Here are patches to provide separate sdhci driver for mmp2 and pxa910
based on sdhci-platfm.
Rename to sdhci-pxav3.c and sdhci-pxav2.c
Remove sdhci-pxa.c, which is used to share among pxa serious, since
under this method, platform difference have to be put under arch/arm,
which is not easy to track.
As a result, mmp2 mmc resource should be updated accordingly.