qoriq-base.inc: append image_types_uboot to IMAGE_CLASSES

Signed-off-by: Ting Liu <ting.liu@nxp.com>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>

diff --git a/conf/machine/include/qoriq-base.inc b/conf/machine/include/qoriq-base.inc
index a87ce37be3d68914a8cefb2678dba7d3c3dd74ff..65bb170710c37dbdc422defbffaedea7a83ddba7 100644 (file)
--- a/conf/machine/include/qoriq-base.inc
+++ b/conf/machine/include/qoriq-base.inc
@@ -11,7 +11,7 @@ PREFERRED_PROVIDER_virtual/bootloader ?= "u-boot-qoriq"
 PREFERRED_PROVIDER_virtual/kernel ?= "linux-qoriq"
 PREFERRED_PROVIDER_qemu = "qemu-qoriq"
 
-IMAGE_CLASSES ?= "image_types_uboot"
+IMAGE_CLASSES += "image_types_uboot"
 
 MACHINE_FEATURES ?= "pci ext2 ext3 serial"
 MACHINE_EXTRA_RRECOMMENDS += "udev-extraconf kernel-modules"