Explicitly define the kernel flavor for ubuntucinnamon.

debian/changelog

@@ -4,6 +4,7 @@ livecd-rootfs (2.809) UNRELEASED; urgency=medium
     seem to be present in the archive yet. Use the metapackage instead, which
     seems like a better way forward anyway. For the live task, temporarily use
     a hard-coded list of packages.
+  * Explicitly define the kernel flavor for ubuntucinnamon.
 
  -- Łukasz 'sil2100' Zemczak <lukasz.zemczak@ubuntu.com>  Mon, 06 Mar 2023 11:27:02 +0100
 

live-build/auto/config

@@ -796,6 +796,7 @@ case $PROJECT in
 		add_package live zfsutils-linux zfs-initramfs zsys
 		add_package live sssd realmd adcli
 		add_package live gparted cifs-utils
+		KERNEL_FLAVOURS=generic
 		;;
 
 	xubuntu)