ARM: mxs: m28evk: Disable OCOTP OUI loading

Don't load the FEC MAC address from OCOTP, but use the one supplied
via device tree by U-Boot. This is the preferred way, every DT-capable
bootloader does set up "mac-address" and "local-mac-address" properties
into the DT passed to the kernel.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

arch/arm/mach-mxs/mach-mxs.c

@@ -288,8 +288,6 @@ static void __init imx28_evk_post_init(void)
 
 static void __init m28evk_init(void)
 {
-	update_fec_mac_prop(OUI_DENX);
-
 	mxsfb_pdata.mode_list = m28evk_video_modes;
 	mxsfb_pdata.mode_count = ARRAY_SIZE(m28evk_video_modes);
 	mxsfb_pdata.default_bpp = 16;