ubuntu-cpc: Fix ppc64el grub timeout. Also run extras correctly.

* Set timeout options so ppc64el cloud images don't display a grub boot
    menu (matching the behaviour of other cloud images).
  * Specify a regex to run-parts so that cloud image extra scripts are found
    and executed.

debian/changelog

@@ -1,3 +1,13 @@
+livecd-rootfs (2.209.9) trusty; urgency=medium
+
+  [Daniel Watkins]
+  * Set timeout options so ppc64el cloud images don't display a grub boot
+    menu (matching the behaviour of other cloud images).
+  * Specify a regex to run-parts so that cloud image extra scripts are found
+    and executed.
+
+ -- Robert C Jennings <robert.jennings@canonical.com>  Tue, 23 May 2017 20:57:47 -0500
+
 livecd-rootfs (2.209.8) trusty; urgency=medium
 
   [Daniel Watkins]

live-build/ubuntu-cpc/hooks/034-disk-image-ppc64el.binary

@@ -30,7 +30,13 @@ install_grub() {
     mkdir -p mountpoint/etc/default/grub.d
     cat << EOF > mountpoint/etc/default/grub.d/50-cloudimg-settings.cfg
 ${CLOUD_IMG_STR}
-#
+
+# Set the recordfail timeout
+GRUB_RECORDFAIL_TIMEOUT=0
+
+# Do not wait on grub prompt
+GRUB_TIMEOUT=0
+
 # Set the default commandline
 GRUB_CMDLINE_LINUX_DEFAULT="console=hvc0 earlyprintk"
 EOF

live-build/ubuntu-cpc/hooks/999-extras.binary

@@ -12,4 +12,4 @@ fi
 . /build/config/functions
 
 # Cleaner execution
-/bin/run-parts ${extra_d}
+/bin/run-parts --regex ".*\.binary" "${extra_d}"