ols: extend reponse delay when scanning device

My Pepino needs 15ms instead of 10ms, so let's use 20ms to be on the
safe side.

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

src/hardware/openbench-logic-sniffer/api.c

@@ -83,7 +83,7 @@ static const uint64_t samplerates[] = {
 	SR_HZ(1),
 };
 
-#define RESPONSE_DELAY_US (10 * 1000)
+#define RESPONSE_DELAY_US (20 * 1000)
 
 static GSList *scan(struct sr_dev_driver *di, GSList *options)
 {