kobs-ng: update dependencies after 'imx6' -> 'imx' rename

Signed-off-by: Piotr Dymacz <[email protected]>

package/boot/kobs-ng/Makefile

@@ -25,7 +25,7 @@ define Package/kobs-ng
   SECTION:=utils
   CATEGORY:=Utilities
   TITLE:=Application for writing bootstreams to NAND flash
-  DEPENDS:=@TARGET_imx6
+  DEPENDS:=@TARGET_imx
 endef
 
 define Package/kobs-ng/description