core-image-full-cmdline: add package-management

Add "package-management" image feature to the core-image-full-cmdline image,
to support package upgrade testing.

(From OE-Core rev: 6f06e18adbea74340415807842cac443e3bf37da)

Signed-off-by: Michael Opdenacker <michael.opdenacker@bootlin.com>
Suggested-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-extended/images/core-image-full-cmdline.bb

@@ -1,7 +1,7 @@
 SUMMARY = "A console-only image with more full-featured Linux system \
 functionality installed."
 
-IMAGE_FEATURES += "splash ssh-server-openssh"
+IMAGE_FEATURES += "splash ssh-server-openssh package-management"
 
 IMAGE_INSTALL = "\
     packagegroup-core-boot \