meta-phosphor: prep for new override syntax

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I588025b614416c43aa2d053765ab53bacf890cb5
diff --git a/meta-phosphor/recipes-devtools/iotools/iotools_1.6.bb b/meta-phosphor/recipes-devtools/iotools/iotools_1.6.bb
index af2cc76..f4b36d6 100644
--- a/meta-phosphor/recipes-devtools/iotools/iotools_1.6.bb
+++ b/meta-phosphor/recipes-devtools/iotools/iotools_1.6.bb
@@ -9,7 +9,7 @@
 inherit obmc-phosphor-systemd
 
 S = "${WORKDIR}/git"
-FILES_${PN} = "${sbindir}"
+FILES:${PN} = "${sbindir}"
 
 do_compile() {
     # CC is overridden in the Makefile, so override it harder in the invocation
@@ -23,4 +23,4 @@
     install -m 0755 iotools ${D}${sbindir}
 }
 
-SYSTEMD_SERVICE_${PN} += "iotools-setup.service"
+SYSTEMD_SERVICE:${PN} += "iotools-setup.service"