Priority: required -> Priority: optional

Change-Id: I97ae2cac6a7784e5059f8c9db88661c08ef0169f
diff --git a/debian/control b/debian/control
index efb8b1b..145ce99 100644
--- a/debian/control
+++ b/debian/control
@@ -6,6 +6,6 @@
 
 Package: imx-mkimage
 Section: misc
-Priority: required
+Priority: optional
 Architecture: any
 Description: Tools to create bootloader images for i.MX8