ipq806x: wrap legacy image in uImage

Wrap the zImage in a uImage header so we can easily boot it from legacy
u-boots.

Signed-off-by: Jonas Gorski <[email protected]>

SVN-Revision: 46787

target/linux/ipq806x/image/Makefile

@@ -38,8 +38,8 @@ endef
 DEVICE_VARS += DEVICE_DTS
 
 define Device/LegacyImage
-	KERNEL_SUFFIX := -zImage
-	KERNEL = kernel-bin | append-dtb
+	KERNEL_SUFFIX := -uImage
+	KERNEL = kernel-bin | append-dtb | uImage none
 	KERNEL_NAME := zImage
 	KERNEL_INSTALL := 1
 endef