mx31pdk: Make the full boot log visible

Use board_early_init_f so that the full boot log output can be displayed.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
diff --git a/board/freescale/mx31pdk/mx31pdk.c b/board/freescale/mx31pdk/mx31pdk.c
index 2756e5a..a9f0fb4 100644
--- a/board/freescale/mx31pdk/mx31pdk.c
+++ b/board/freescale/mx31pdk/mx31pdk.c
@@ -45,7 +45,7 @@
 	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
 }
 
-int board_init(void)
+int board_early_init_f(void)
 {
 	/* CS5: CPLD incl. network controller */
 	__REG(CSCR_U(5)) = 0x0000d843;
@@ -56,6 +56,11 @@
 	mx31_uart1_hw_init();
 	mx31_spi2_hw_init();
 
+	return 0;
+}
+
+int board_init(void)
+{
 	gd->bd->bi_arch_number = MACH_TYPE_MX31_3DS; /* board id for linux */
 	/* adress of boot parameters */
 	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;