test-case: improve keyword detection case for IPC4

After we add support for IPC4 WoV pipeline filtering
in sof-tplgreader.py, we need to use the filter key
"kpb:any" to make the test case work for IPC3 and IPC4
WoV test.

Signed-off-by: Chao Song <chao.song@linux.intel.com>

Author: Chao Song

test-case/check-keyword-detection.sh

@@ -55,7 +55,7 @@ duration=${OPT_VAL['d']}
 
 logger_disabled || func_lib_start_log_collect
 
-func_pipeline_export "$tplg" "kpbm:any"
+func_pipeline_export "$tplg" "kpb:any"
 
 if test "$PIPELINE_COUNT" != "1"; then
     die "detected $PIPELINE_COUNT wov pipeline(s) from topology, but 1 is needed"