dhcp: rename bbappend to match new version from oe-core and move to oe-core prefix

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

meta-systemd/oe-core/recipes-connectivity/dhcp/dhcp/dhcpd.service

@@ -0,0 +1,12 @@
+[Unit]
+Description=Dynamic Host Configuration Protocol (DHCP)
+After=syslog.target network.target
+
+[Service]
+Type=forking
+PIDFile=/var/run/dhcpd.pid
+EnvironmentFile=-/etc/default/dhcp-server
+ExecStart=/usr/sbin/dhcpd -cf /etc/dhcp/dhcpd.conf -q $INTERFACES
+
+[Install]
+WantedBy=multi-user.target

meta-systemd/oe-core/recipes-connectivity/dhcp/dhcp/dhcrelay.service

@@ -0,0 +1,10 @@
+[Unit]
+Description=DHCP Relay Agent Daemon
+After=syslog.target network.target
+
+[Service]
+EnvironmentFile=/etc/default/dhcp-relay
+ExecStart=/usr/sbin/dhcrelay -d $DHCRELAYARGS
+
+[Install]
+WantedBy=multi-user.target

meta-systemd/oe-core/recipes-connectivity/dhcp/dhcp_4.2.4-P2.bbappend

@@ -0,0 +1,13 @@
+# look for files in the layer first
+FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
+
+inherit systemd
+
+PRINC := "${@int(PRINC) + 1}"
+
+SYSTEMD_PACKAGES = "dhcp-server-systemd dhcp-relay-systemd"
+SYSTEMD_SERVICE_dhcp-server-systemd = "dhcpd.service"
+SYSTEMD_SERVICE_dhcp-relay-systemd = "dhcrelay.service"
+
+SRC_URI += "file://dhcpd.service \
+            file://dhcrelay.service"