meta-fii: meta-kudo: Replace append directive with += in scp-update

Replace append directive with += in kudo-scp-update bb recipe

Signed-off-by: Ashwin Murali <ashwin.murali@fii-na.com>
Change-Id: I3d207f3aae5a504ac570472d0848e40a4699cbe7
diff --git a/meta-fii/meta-kudo/recipes-kudo/kudo-fw-utility/kudo-scp-update.bb b/meta-fii/meta-kudo/recipes-kudo/kudo-fw-utility/kudo-scp-update.bb
index 70c40e6..bcdd746 100644
--- a/meta-fii/meta-kudo/recipes-kudo/kudo-fw-utility/kudo-scp-update.bb
+++ b/meta-fii/meta-kudo/recipes-kudo/kudo-fw-utility/kudo-scp-update.bb
@@ -16,7 +16,7 @@
 FILES:${PN} += "${datadir}/phosphor-ipmi-flash/config-scp.json"
 FILES:${PN} += "${datadir}/phosphor-ipmi-flash/config-scpback.json"
 
-SRC_URI:append:kudo = " \
+SRC_URI += " \
     file://phosphor-ipmi-flash-scp-update.service \
     file://phosphor-ipmi-flash-scpback-update.service \
     file://config-scp.json \
@@ -24,7 +24,7 @@
     "
 
 SYSTEMD_PACKAGES = "${PN}"
-SYSTEMD_SERVICE:${PN}:append:kudo = " \
+SYSTEMD_SERVICE:${PN} += " \
     phosphor-ipmi-flash-scp-update.service \
     phosphor-ipmi-flash-scpback-update.service \
     "