qcacmn: Change info/err prints to debug in roaming path

The printk buffer is protected by a global raw spinlock for readers
and writers. This restricts the contexts that are allowed to
access the buffer. So large latencies exists when printing to
kmsg done with QDF trace levels WARN, INFO, ERROR. This results
in roaming KPI for maximum transition time exceeding the expected
100ms.
So change info/err prints to debug prints in roaming path
to reduce delays in roaming time.

Change-Id: I9cdf043da6e88d735ab39812e74ed24784ceede3
CRs-Fixed: 2594867

umac/cmn_services/crypto/src/wlan_crypto_global_api.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2019 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2017-2020 The Linux Foundation. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -3193,7 +3193,7 @@ QDF_STATUS wlan_crypto_set_peer_wep_keys(struct wlan_objmgr_vdev *vdev,
 	if (opmode == QDF_STA_MODE) {
 		peer = wlan_objmgr_vdev_try_get_bsspeer(vdev, WLAN_CRYPTO_ID);
 		if (!peer) {
-			crypto_err("peer NULL");
+			crypto_debug("peer NULL");
 			return QDF_STATUS_E_INVAL;
 		}
 	}