ColdFire: Multiple fixes for MCF5445x platforms

Add FEC pin set and mii reset in __mii_init(). Change
legacy flash vendor from 2 to AMD LEGACY (0xFFF0),
change cfi_offset to 0, and change CFG_FLASH_CFI to
CONFIG_FLASH_CFI_LEGACY. Correct M54451EVB and
M54455EVB env settings in configuration file.

Signed-off-by: TsiChung Liew <Tsi-Chung.Liew@freescale.com>
diff --git a/board/freescale/m54455evb/mii.c b/board/freescale/m54455evb/mii.c
index 7a59aa0..0be5439 100644
--- a/board/freescale/m54455evb/mii.c
+++ b/board/freescale/m54455evb/mii.c
@@ -237,6 +237,10 @@
 
 	fecp = (fec_t *) info->miibase;
 
+	fecpin_setclear(dev, 1);
+
+	mii_reset(info);
+
 	/* We use strictly polling mode only */
 	fecp->eimr = 0;