packagegroup-resin: Install ldd script in balenaOS images

The takeover project currently relies on the ldd script being present in the hostOS pre-migration.

While takeover can be adapted to use this script from a different location, it wouldn't hurt to have ldd in the hostOS from this point on.

Change-type: patch
Signed-off-by: Alexandru Costache <alexandru@balena.io>

meta-balena-common/recipes-core/packagegroups/packagegroup-resin.inc

@@ -21,4 +21,5 @@ RDEPENDS:${PN} = " \
     less \
     development-features \
     resin-device-progress \
+    ldd \
     "