setexpr: Silence some diagnostic messages

Neither successful match nor lack thereof should be considered an
extraordinary situation. Thus, neither require printing a message.

Signed-off-by: Łukasz Stelmach <[email protected]>
Reviewed-by: Simon Glass <[email protected]>

Author: Łukasz Stelmach

cmd/setexpr.c

@@ -215,7 +215,7 @@ int setexpr_regex_sub(char *data, uint data_size, char *nbuf, uint nbuf_size,
 
 		if (res == 0) {
 			if (loop == 0) {
-				printf("%s: No match\n", data);
+				debug("%s: No match\n", data);
 				return 1;
 			} else {
 				break;
@@ -359,7 +359,7 @@ static int regex_sub_var(const char *name, const char *r, const char *s,
 	if (ret)
 		return 1;
 
-	printf("%s=%s\n", name, data);
+	debug("%s=%s\n", name, data);
 
 	return env_set(name, data);
 }