[PATCH 0/3]Add i.MX51 3-stack board support

[Jason Wang]

These three patches will add a i.MX51 3-stack board support.
Currently, on this board, only 3 devices(serial, ethernet and
keypad) are registered and validated.

[PATCH 1/3] mxc: Add support for the imx51 3-stack board
[PATCH 2/3] mxc/iomux: add GPIO bank offset for iomux v3 platforms
[PATCH 3/3] mx51/clock: add keypad clock definition and registration