mxs: m28: Enable power to USB port 0

The USB port 0 can now be used alongside the USB port 1, thus enable
power to it.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Otavio Salvador <otavio@ossystems.com.br>
Cc: Stefano Babic <sbabic@denx.de>

board/denx/m28evk/m28evk.c

@@ -57,6 +57,10 @@ int board_early_init_f(void)
 	mxs_iomux_setup_pad(MX28_PAD_AUART3_TX__GPIO_3_13 |
 			MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP);
 	gpio_direction_output(MX28_PAD_AUART3_TX__GPIO_3_13, 0);
+
+	mxs_iomux_setup_pad(MX28_PAD_AUART3_RX__GPIO_3_12 |
+			MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP);
+	gpio_direction_output(MX28_PAD_AUART3_RX__GPIO_3_12, 0);
 #endif
 
 	return 0;