[ARMedslack] Tegra kernel

[Stuart Winter]

> > And here are some other bits and pieces that might be necessary:
> > CONFIG_MMC_SDHCI_TEGRA

This one won't build as a module and I can't compile it into the kernel as
I build the main MMC support as a module (which I'm not changing).

Hopefully the kernel will build with AC100 support though so at least
you'll be able to see if the kernel's useful for that device.