imx: iomux-v3: add imx7d support for iomuxc
* Add imx7d support for iomux controller * imx7d has two iomux controllers iomuxc (0x3033000) and iomuxc-lpsr (0x302C0000) each conroller provides control and mux mode pad registers but shares iomuxc input select register with iomuxc-lpsr IOMUX_CONFIG_LPSR flag is used to properly set daisy chain settings for iomuxc-lpsr pads. * Since mx7d introduces LPSR IOMUX pins, add new base to IOMUX v3 driver for these LPSR pins. Signed-off-by: NAdrian Alonso <aalonso@freescale.com> Signed-off-by: NFugang Duan <B38611@freescale.com> Signed-off-by: NYe.Li <B37916@freescale.com>
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