ARM: legoev3: Move UART enable to early init

This moves the UART init for LEGO MINDSTORMS EV3 to board_early_init_f().
Some console messages were not being printed because the UART was not
enabled until later in the init process.

Signed-off-by: David Lechner <david@lechnology.com>
diff --git a/board/lego/ev3/legoev3.c b/board/lego/ev3/legoev3.c
index 5e70363..6901005 100644
--- a/board/lego/ev3/legoev3.c
+++ b/board/lego/ev3/legoev3.c
@@ -132,6 +132,11 @@
 
 int board_early_init_f(void)
 {
+	/* enable the console UART */
+	writel((DAVINCI_UART_PWREMU_MGMT_FREE | DAVINCI_UART_PWREMU_MGMT_URRST |
+		DAVINCI_UART_PWREMU_MGMT_UTRST),
+	       &davinci_uart1_ctrl_regs->pwremu_mgmt);
+
 	/*
 	 * Power on required peripherals
 	 * ARM does not have access by default to PSC0 and PSC1
@@ -166,10 +171,5 @@
 	if (davinci_configure_pin_mux_items(pinmuxes, ARRAY_SIZE(pinmuxes)))
 		return 1;
 
-	/* enable the console UART */
-	writel((DAVINCI_UART_PWREMU_MGMT_FREE | DAVINCI_UART_PWREMU_MGMT_URRST |
-		DAVINCI_UART_PWREMU_MGMT_UTRST),
-	       &davinci_uart1_ctrl_regs->pwremu_mgmt);
-
 	return 0;
 }