Revert "bcmgenet: Disable skip_umac_reset by default"

This reverts commit 09d1901.

Author: nbuchwitz

drivers/net/ethernet/broadcom/genet/bcmgenet.c

@@ -65,7 +65,7 @@
 
 /* Forward declarations */
 static void bcmgenet_set_rx_mode(struct net_device *dev);
-static bool skip_umac_reset = false;
+static bool skip_umac_reset = true;
 module_param(skip_umac_reset, bool, 0444);
 MODULE_PARM_DESC(skip_umac_reset, "Skip UMAC reset step");