package/systemd-bootchart: enable systemd-bootchart.service

This would normally be enabled by systemctl preset-all however since we
don't have a host systemctl we need to enable the service manually.

Signed-off-by: James Hilliard <james.hilliard1@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit b81e00e2ed483e1f3079181b5fdb324da0f6d6ad)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/systemd-bootchart/systemd-bootchart.mk

@@ -16,4 +16,10 @@ SYSTEMD_BOOTCHART_DEPENDENCIES = systemd
 
 SYSTEMD_BOOTCHART_CONF_OPTS = --disable-man
 
+define SYSTEMD_BOOTCHART_INSTALL_INIT_SYSTEMD
+	mkdir -p $(TARGET_DIR)/etc/systemd/system/sysinit.target.wants
+	ln -sf ../../../../lib/systemd/system/systemd-bootchart.service \
+		$(TARGET_DIR)/etc/systemd/system/sysinit.target.wants/systemd-bootchart.service
+endef
+
 $(eval $(autotools-package))