sof_remove.sh: remove snd_sof_utils after the core has been removed

snd_sof_utils.ko is going to be a new, generic library function which can
be shared between clients and the core without depending on anything in
SOF.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>

Author: ujfalusi

tools/kmod/sof_remove.sh

@@ -167,6 +167,7 @@ remove_module snd_sof_nocodec || true
 
 remove_module snd_sof
 remove_module snd_sof_nocodec
+remove_module snd_sof_utils
 
 #-------------------------------------------
 # Codec drivers