switch to 3.12, enable support for AM33xx/OMAP3

Signed-off-by: Imre Kaloz <kaloz@openwrt.org>

SVN-Revision: 38692

target/linux/omap/image/Makefile

@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2012 OpenWrt.org
+# Copyright (C) 2012-2013 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
@@ -9,7 +9,11 @@ include $(INCLUDE_DIR)/image.mk
 
 define Image/BuildKernel
 	mkimage -A arm -O linux -T script -C none -a 0 -e 0 -n 'Boot Image' -d boot.script $(BIN_DIR)/boot.scr
-	cp $(KDIR)/uImage $(BIN_DIR)/openwrt-$(BOARD)-uImage
+	cp $(KDIR)/zImage $(BIN_DIR)/openwrt-$(BOARD)-zImage
+	-mkdir $(BIN_DIR)/dtbs
+	$(CP) $(LINUX_DIR)/arch/arm/boot/dts/am335x*.dtb $(BIN_DIR)/dtbs/
+	$(CP) $(LINUX_DIR)/arch/arm/boot/dts/omap3*.dtb $(BIN_DIR)/dtbs/
+	$(CP) $(LINUX_DIR)/arch/arm/boot/dts/omap4*.dtb $(BIN_DIR)/dtbs/
 endef
 
 define Image/Build

target/linux/omap/image/boot.script

@@ -1,3 +1,3 @@
-fatload mmc 0:1 0x80000000 openwrt-omap-uImage
+fatload mmc 0:1 0x80000000 openwrt-omap-zImage
 setenv bootargs vram=32M fixrtc mem=1G@0x80000000 root=/dev/mmcblk0p2 rootfstype=ext4 console=ttyO2,115200n8 rootwait
-bootm 0x80000000
+bootz 0x80000000