add iotg as a subarch of amd64 w/ image-intel kernel

live-build/auto/config

@@ -299,7 +299,7 @@ if [ -z "${IMAGEFORMAT:-}" ]; then
 	case $PROJECT:${SUBPROJECT:-} in
 		ubuntu-cpc:*|ubuntu:desktop-preinstalled)
 			case $SUBARCH in
-				raspi)
+				raspi|iotg)
 					IMAGEFORMAT=ubuntu-image
 					;;
 				*)
@@ -632,7 +632,8 @@ case $PROJECT in
 
 			desktop-preinstalled)
 				add_task install minimal standard ubuntu-desktop
-				if [ "$SUBARCH" = "raspi" ]; then
+				case $SUBARCH in
+					raspi)
 						add_task install ubuntu-desktop-raspi
 						# XXX: Are those actually needed? I see we use those for ubuntu-cpc, which is the project
 						#  for existing raspi preinstalled images
@@ -642,10 +643,21 @@ case $PROJECT in
 						OPTS="${OPTS:+$OPTS }--hdd-label=cloudimg-rootfs"
 						OPTS="${OPTS:+$OPTS }--ext-resize-blocks=536870912 --ext-block-size=4096"
 						OPTS="${OPTS:+$OPTS }--ext-fudge-factor=15"
-				fi
+						;;
+					iotg)
+						KERNEL_FLAVOURS='image-intel'
+						COMPONENTS='main restricted universe'
+						OPTS="${OPTS:+$OPTS }--initramfs=none"
+						OPTS="${OPTS:+$OPTS }--system=normal"
+						OPTS="${OPTS:+$OPTS }--hdd-label=cloudimg-rootfs"
+						OPTS="${OPTS:+$OPTS }--ext-resize-blocks=536870912 --ext-block-size=4096"
+						OPTS="${OPTS:+$OPTS }--ext-fudge-factor=15"
+						;;
+					*)
 						## Otherwise HYPERV image options.... *crickets* see the hyperv hook
 						;;
-
+				esac
+				;;
 			*)
 				LIVE_TASK='ubuntu-live'
 				add_task install minimal standard ubuntu-desktop
@@ -960,6 +972,14 @@ case $PROJECT in
 	_)
 		add_chroot_hook remove-python-py
 		;;
+	amd64)
+		KERNEL_FLAVOURS="${SUBARCH:-$KERNEL_FLAVOURS}"
+		case $SUBARCH in
+			iotg)
+				COMPONENTS='main restricted universe'
+				KERNEL_FLAVOURS='image-intel'
+		esac
+		;;
 esac
 
 lb config noauto \