mx53evk: Use gpio_direction_input prior to gpio_get_value
Use gpio_direction_input prior to gpio_get_value. Cc: Jason Liu <r64343@freescale.com> Signed-off-by: NFabio Estevam <fabio.estevam@freescale.com> Acked-by: NJason Liu <r64343@freescale.com>
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