Bump buildroot to 2019.02

bsp/buildroot/package/acpid/Config.in

@@ -1,6 +1,6 @@
 config BR2_PACKAGE_ACPID
 	bool "acpid"
-	depends on BR2_x86_64 || BR2_i386
+	depends on BR2_USE_MMU # fork()
 	help
 	  Advanced Configuration and Power Interface event daemon.
 

bsp/buildroot/package/acpid/acpid.hash

@@ -1,3 +1,3 @@
 # From https://sourceforge.net/projects/acpid2/files/
-md5	0432407b5ff75ae8e08afb43052fde2b	acpid-2.0.28.tar.xz
-sha1	a5cb34d53eb6965293c436db23dc81550273975b	acpid-2.0.28.tar.xz
+md5	1528040b5d34f8c24ebabd97befbf913	acpid-2.0.30.tar.xz
+sha1	680bbb3fa9cdabb78fb19c6d24bb57224fbbbaed	acpid-2.0.30.tar.xz

bsp/buildroot/package/acpid/acpid.mk

@@ -4,12 +4,20 @@
 #
 ################################################################################
 
-ACPID_VERSION = 2.0.28
+ACPID_VERSION = 2.0.30
 ACPID_SOURCE = acpid-$(ACPID_VERSION).tar.xz
 ACPID_SITE = http://downloads.sourceforge.net/project/acpid2
 ACPID_LICENSE = GPL-2.0+
 ACPID_LICENSE_FILES = COPYING
 
+define ACPID_INSTALL_INIT_SYSTEMD
+	$(INSTALL) -D -m 0644 package/acpid/acpid.service \
+		$(TARGET_DIR)/usr/lib/systemd/system/acpid.service
+	mkdir -p $(TARGET_DIR)/etc/systemd/system/multi-user.target.wants
+	ln -sf ../../../../usr/lib/systemd/system/acpid.service \
+		$(TARGET_DIR)/etc/systemd/system/multi-user.target.wants/acpid.service
+endef
+
 define ACPID_INSTALL_INIT_SYSV
 	$(INSTALL) -D -m 0755 package/acpid/S02acpid \
 		$(TARGET_DIR)/etc/init.d/S02acpid

bsp/buildroot/package/acpid/acpid.service

@@ -0,0 +1,9 @@
+[Unit]
+Description=ACPI event daemon
+Documentation=man:acpid(8)
+
+[Service]
+ExecStart=/usr/sbin/acpid --foreground --netlink
+
+[Install]
+WantedBy=multi-user.target