Point imx-mkimage to new branch

Change-Id: Ia1fc5db4a8e0a4666c66f9a978a2ec0e42d3e8c1
diff --git a/columbia.xml b/columbia.xml
index 3bc6a28..7534fd2 100644
--- a/columbia.xml
+++ b/columbia.xml
@@ -8,7 +8,7 @@
     <!-- END prebuilts -->
 
     <!-- BEGIN imx specific build tools -->
-    <project path="tools/imx-mkimage" name="imx-mkimage" revision="imx_4.9.123_imx8mm_ga" />
+    <project path="tools/imx-mkimage" name="imx-mkimage" revision="rel_imx_4.19.35_1.0.0" />
     <project path="packages/imx-mkimage" name="imx-mkimage-debian" />
     <!-- END imx specific build tools -->