Only install thermald on amd64|i386 on lubuntu, fixing PPC build.

debian/changelog

@@ -1,3 +1,9 @@
+livecd-rootfs (2.208.11) trusty; urgency=medium
+
+  * Only install thermald on amd64|i386 on lubuntu, fixing PPC build.
+
+ -- Adam Conrad <adconrad@ubuntu.com>  Sat, 16 Jan 2016 01:23:46 -0700
+
 livecd-rootfs (2.208.10) trusty; urgency=medium
 
   * live-build/auto/config: Switch HWE from lts-vivid to lts-wily.

live-build/auto/config

@@ -198,7 +198,7 @@ UNITY_HWE_HINTS="unity-settings-daemon notify-osd libqt4-sql-sqlite unity gnome-
 KUBUNTU_HWE_HINTS="pinentry-qt4 kde-baseapps-bin kde-window-manager"
 EDUBUNTU_HWE_HINTS="gnome-session gnome-terminal"
 XFCE_HWE_HINTS="lightdm-gtk-greeter unity-settings-daemon- unity-control-center- notification-daemon- libpanel-applet-4-0-"
-LUBUNTU_HWE_HINTS="xfce4-notifyd xterm notification-daemon- audacious-plugins thermald"
+LUBUNTU_HWE_HINTS="xfce4-notifyd xterm notification-daemon- audacious-plugins"
 UBUNTUGNOME_HWE_HINTS="unity-settings-daemon- unity-control-center- libaccount-plugin-1.0-0-"
 XUBUNTU_HWE_HINTS="xfce4-notifyd xscreensaver-data- $XFCE_HWE_HINTS"
 MYTHBUNTU_HWE_HINTS="notify-osd $XFCE_HWE_HINTS"
@@ -305,6 +305,9 @@ case $PROJECT in
 	lubuntu)
 		add_task install minimal standard
 		add_package install lubuntu-desktop $LUBUNTU_HWE_HINTS
+		case $ARCH in
+			amd64|i386)	add_package install thermald ;;
+		esac
 		add_package install $HWE_X_PACKAGES
 		LIVE_TASK='lubuntu-live'
 		LIVE_TASK_FILTER='--not -Pe ^linux-\(headers\|image\|signed\)'