[PATCH v3 1/4] ARM: i.MX53: enable spi support

[Yong Shen]

hi Uwe,

>>  #define MX53_PAD_EIM_D20__GPIO_3_20          IOMUX_PAD(0x470, 0x128,IOMUX_CONFIG_ALT1, 0x0, 0, NO_PAD_CTRL)
>>  #define MX53_PAD_EIM_D21__GPIO_3_21          IOMUX_PAD(0x474, 0x12C,IOMUX_CONFIG_ALT1, 0x0, 0, NO_PAD_CTRL)
> Why do you remove the GPIO definitions?
>
Why not? Anyway they are always used as cspi signals. IMO, we don't
need keep that many configures, and it's better to add them when
needed.

thanks
Yong