meta-fii: meta-kudo: Replace append directive with += in hotswap-power-cycle

Replace append directive with += in hotswap-power-cycle bb recipe

Signed-off-by: Ashwin Murali <ashwin.murali@fii-na.com>
Change-Id: I64e3f2c2dd96b5f42b089d380c3568d1f0f9d544
diff --git a/meta-fii/meta-kudo/recipes-kudo/hotswap-power-cycle/hotswap-power-cycle.bb b/meta-fii/meta-kudo/recipes-kudo/hotswap-power-cycle/hotswap-power-cycle.bb
index 12098ad..73ef88b 100644
--- a/meta-fii/meta-kudo/recipes-kudo/hotswap-power-cycle/hotswap-power-cycle.bb
+++ b/meta-fii/meta-kudo/recipes-kudo/hotswap-power-cycle/hotswap-power-cycle.bb
@@ -10,7 +10,7 @@
 RDEPENDS:${PN} += "bash"
 
 FILESEXTRAPATHS:prepend := "${THISDIR}/files:"
-SRC_URI:append:kudo = " file://hotswap-power-cycle.service"
+SRC_URI += " file://hotswap-power-cycle.service"
 
 do_install() {
     install -d ${D}${systemd_unitdir}/system/