meta-digi: use udev for all images (minimal and graphical)

https://jira.digi.com/browse/DEL-856
https://jira.digi.com/browse/DEL-898

Signed-off-by: Javier Viguera <javier.viguera@digi.com>

meta-digi-arm/recipes-core/udev/udev_182.bbappend

@@ -0,0 +1,15 @@
+# Copyright (C) 2013 Digi International.
+
+do_install_append () {
+    # On the fly fix udev init script and config file to avoid udev failing
+    # on boot a read-only NFSROOT:
+    #   bind failed: No such file or directory
+    #   bind failed: Address already in use
+    #   error binding udev control socket
+    sed -i -e '/mkdir.*pts/a\    [ -e /dev/run ] || mkdir -m 0755 /dev/run' ${D}${sysconfdir}/init.d/udev
+    sed -i -e '/^udev_run=/c\udev_run="/dev/run/udev"' ${D}${sysconfdir}/udev/udev.conf
+}
+
+# Add 'udev-extraconf' recommendation as most of the imx/mxs settings are in
+# that package.
+RRECOMMENDS_${PN} += "udev-extraconf"

meta-digi-dey/recipes-core/images/dey-image-minimal.bb

@@ -32,4 +32,7 @@ IMAGE_FEATURES += '${@base_contains("MACHINE_FEATURES", "bluetooth", "dey-blueto
 
 IMAGE_ROOTFS_SIZE = "8192"
 
+# Do not install udev-cache
+BAD_RECOMMENDATIONS += "udev-cache"
+
 ROOTFS_POSTPROCESS_COMMAND += "dey_rootfs_tuning;"

meta-digi-dey/recipes-core/packagegroups/packagegroup-dey-core.bb

@@ -18,6 +18,7 @@ MACHINE_ESSENTIAL_EXTRA_RDEPENDS ?= ""
 MACHINE_ESSENTIAL_EXTRA_RRECOMMENDS ?= ""
 
 # Distro can override the following VIRTUAL-RUNTIME providers:
+VIRTUAL-RUNTIME_dev_manager ?= "udev"
 VIRTUAL-RUNTIME_login_manager ?= ""
 VIRTUAL-RUNTIME_passwd_manager ?= "shadow"
 VIRTUAL-RUNTIME_init_manager ?= "sysvinit"
@@ -25,7 +26,6 @@ VIRTUAL-RUNTIME_initscripts ?= "initscripts"
 VIRTUAL-RUNTIME_keymaps ?= "keymaps"
 
 # Set virtual runtimes depending on X11 feature
-VIRTUAL-RUNTIME_dev_manager ?= "${@base_contains('DISTRO_FEATURES', 'x11', 'udev', 'busybox-mdev', d)}"
 VIRTUAL-RUNTIME_touchscreen ?= "${@base_contains('DISTRO_FEATURES', 'x11', '', 'tslib-calibrate tslib-tests', d)}"
 
 RDEPENDS_${PN} = "\