meta-phosphor: prep for new override syntax

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I588025b614416c43aa2d053765ab53bacf890cb5
diff --git a/meta-phosphor/recipes-phosphor/flash/obmc-mgr-download_git.bb b/meta-phosphor/recipes-phosphor/flash/obmc-mgr-download_git.bb
index 6a62420..a6cd660 100644
--- a/meta-phosphor/recipes-phosphor/flash/obmc-mgr-download_git.bb
+++ b/meta-phosphor/recipes-phosphor/flash/obmc-mgr-download_git.bb
@@ -6,7 +6,7 @@
 inherit skeleton-python
 inherit obmc-phosphor-dbus-service
 
-RDEPENDS_${PN} += "\
+RDEPENDS:${PN} += "\
         python-dbus \
         python-pygobject \
         python-subprocess \
@@ -14,4 +14,4 @@
         "
 
 SKELETON_DIR = "pydownloadmgr"
-DBUS_SERVICE_${PN} += "org.openbmc.managers.Download.service"
+DBUS_SERVICE:${PN} += "org.openbmc.managers.Download.service"