sccb: lower timeout when probing for camera

1000ms is too long. let's try 50ms.

Author: jepler

driver/sccb.c

@@ -107,7 +107,7 @@ uint8_t SCCB_Probe(void)
         i2c_master_start(cmd);
         i2c_master_write_byte(cmd, ( slave_addr << 1 ) | WRITE_BIT, ACK_CHECK_EN);
         i2c_master_stop(cmd);
-        esp_err_t ret = i2c_master_cmd_begin(sccb_i2c_port, cmd, 1000 / portTICK_RATE_MS);
+        esp_err_t ret = i2c_master_cmd_begin(sccb_i2c_port, cmd, 50 / portTICK_RATE_MS);
         i2c_cmd_link_delete(cmd);
         if( ret == ESP_OK) {
             return slave_addr;