initrdscripts: fix udevd in the live boot init scripts

udevd moved location and isn't in $PATH anymore, so use an absolute path to
start it.

The control socket path moved too, so mkdir the directory it's in.

Mounts the new devtmpfs on /dev device tree.

(From OE-Core rev: 75f28875bcae2f91437d89d1ad97df29226e3303)

Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Alexandru Damian <alexandru.damian@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-core/initrdscripts/files/init-live.sh

@@ -14,12 +14,14 @@ early_setup() {
     mkdir -p /sys
     mount -t proc proc /proc
     mount -t sysfs sysfs /sys
+    mount -t devtmpfs none /dev
 
     # support modular kernel
     modprobe isofs 2> /dev/null
 
     mkdir -p /run
-    udevd --daemon
+    mkdir -p /var/run
+    /lib/udev/udevd --daemon
     udevadm trigger --action=add
 }
 

meta/recipes-core/initrdscripts/initramfs-framework/udev

@@ -3,8 +3,8 @@
 # Licensed on MIT
 
 udev_enabled() {
-	if [ ! -e /sbin/udevd ]; then
-		debug "/sbin/udev doesn't exist"
+	if [ ! -e /lib/udev/udevd ]; then
+		debug "/lib/udev/udev doesn't exist"
 		return 1
 	fi
 
@@ -14,7 +14,7 @@ udev_enabled() {
 udev_run() {
 	mkdir -p /run
 
-	udevd --daemon > /dev/null
+	/lib/udev/udevd --daemon > /dev/null
 	udevadm trigger --action=add
 	udevadm settle
 

meta/recipes-core/initrdscripts/initramfs-framework_1.0.bb

@@ -3,6 +3,8 @@ LICENSE = "MIT"
 LIC_FILES_CHKSUM = "file://${COREBASE}/meta/COPYING.MIT;md5=3da9cfbcb788c80a0384361b4de20420"
 RDEPENDS = "busybox"
 
+PR = "r1"
+
 inherit allarch
 
 SRC_URI = "file://init \

meta/recipes-core/initrdscripts/initramfs-live-boot_1.0.bb

@@ -5,7 +5,7 @@ RDEPENDS = "udev"
 DEPENDS = "virtual/kernel"
 SRC_URI = "file://init-live.sh"
 
-PR = "r10"
+PR = "r11"
 
 do_compile() {
 	#if grep -q "CONFIG_UNION_FS=y" ${STAGING_KERNEL_DIR}/.config; then