perf parse-events: Fix driver config term

Inadvertently deleted in commit 30f4ade ("perf tools: Revert
enable indices setting syntax for BPF map").

Fixes: 30f4ade ("perf tools: Revert enable indices setting syntax for BPF map")
Reported-by: James Clark <[email protected]>
Reviewed-by: James Clark <[email protected]>
Signed-off-by: Ian Rogers <[email protected]>
Cc: Adrian Hunter <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: http://lore.kernel.org/lkml/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>

Author: captain5050

tools/perf/util/parse-events.y

@@ -839,6 +839,23 @@ PE_TERM
 
 	$$ = term;
 }
+|
+PE_DRV_CFG_TERM
+{
+	struct parse_events_term *term;
+	char *config = strdup($1);
+	int err;
+
+	if (!config)
+		YYNOMEM;
+	err = parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_DRV_CFG, config, $1, &@1, NULL);
+	if (err) {
+		free($1);
+		free(config);
+		PE_ABORT(err);
+	}
+	$$ = term;
+}
 
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