package/iucode-tool: Add systemd service config

Signed-off-by: Alex Suykov <alex.suykov@gmail.com>
Signed-off-by: David De Grave (Essensium/Mind) <david.degrave@mind.be>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/iucode-tool/iucode-tool.mk

@@ -18,4 +18,12 @@ define IUCODE_TOOL_INSTALL_INIT_SYSV
 		$(TARGET_DIR)/etc/init.d/S00iucode-tool
 endef
 
+define IUCODE_TOOL_INSTALL_INIT_SYSTEMD
+	$(INSTALL) -D -m 644 package/iucode-tool/iucode.service \
+		$(TARGET_DIR)/usr/lib/systemd/system/iucode.service
+	mkdir -p $(TARGET_DIR)/etc/systemd/system/multi-user.target.wants
+	ln -sf ../../../../usr/lib/systemd/system/iucode.service \
+		$(TARGET_DIR)/etc/systemd/system/multi-user.target.wants/iucode.service
+endef
+
 $(eval $(autotools-package))

package/iucode-tool/iucode.service

@@ -0,0 +1,10 @@
+[Unit]
+Description=Upload microcode into the processor
+
+[Service]
+Type=oneshot
+ExecStart=/usr/sbin/iucode_tool -k /usr/share/misc/intel-microcode.dat
+RemainAfterExit=yes
+
+[Install]
+WantedBy=multi-user.target