systemd: move _git to _v189

Signed-off-by: Eric Bénard <eric@eukrea.com>
Acked-by: Koen Kooi <koen@dominion.thruhere.net>

meta-oe/recipes-core/systemd/systemd-v189/var-run.conf

@@ -0,0 +1,4 @@
+# empty /var/run
+R	/var/run/*	-	-	-	-	-
+# systemd-update-utmp-runlevel.service fails to start without this
+f /var/run/utmp 0644 root root - -

meta-oe/recipes-core/systemd/systemd_v189.bb

@@ -15,10 +15,6 @@ SERIAL_CONSOLE ?= "115200 /dev/ttyS0"
 
 SECTION = "base/shell"
 
-inherit gitpkgv
-PKGV = "v${GITPKGVTAG}"
-
-PV = "git"
 PR = "r6"
 
 inherit useradd pkgconfig autotools perlnative