Convert to new override syntax

This is the result of automated script conversion:

scripts/contrib/convert-overrides.py <oe-core directory>

converting the metadata to use ":" as the override character instead of "_".

(From OE-Core rev: 42344347be29f0997cc2f7636d9603b1fe1875ae)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-core/packagegroups/packagegroup-core-eclipse-debug.bb

@@ -2,7 +2,7 @@ SUMMARY = "Remote debugging tools for Eclipse integration"
 
 inherit packagegroup
 
-RDEPENDS_${PN} = "\
+RDEPENDS:${PN} = "\
     gdbserver \
     tcf-agent \
     openssh-sftp-server \