[PATCHv2] ARM: OMAP: hsmmc: Fix mux for non-OMAP pins

[Tony Lindgren]

* Thomas Weber <weber at corscience.de> [111117 13:05]:
> The Devkit8000 uses a TWL4030 pin for card detection.
> Thats why the error:
> _omap_mux_init_gpio: Could not set gpio192
> occurs.
> 
> This patch checks that the pin is on OMAP before
> calling omap_mux_init_gpio.

Thanks applying into omap driver branch.

Tony