meta-phosphor: prep for new override syntax

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I588025b614416c43aa2d053765ab53bacf890cb5
diff --git a/meta-phosphor/recipes-core/packagegroups/packagegroup-core-tools-profile.bbappend b/meta-phosphor/recipes-core/packagegroups/packagegroup-core-tools-profile.bbappend
index c182daf..0068ccd 100644
--- a/meta-phosphor/recipes-core/packagegroups/packagegroup-core-tools-profile.bbappend
+++ b/meta-phosphor/recipes-core/packagegroups/packagegroup-core-tools-profile.bbappend
@@ -1,4 +1,4 @@
-RDEPENDS_${PN}_remove = " \
+RDEPENDS:${PN}:remove = " \
               lttng-tools \
               lttng-ust \
               lttng-modules \