fw_cfg: fix typos in comments: patch -> path

Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>

hw/core/fw-path-provider.c

@@ -1,5 +1,5 @@
 /*
- *  Firmware patch provider class and helpers.
+ *  Firmware path provider class and helpers.
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by

hw/ppc/spapr.c

@@ -1625,7 +1625,7 @@ static int spapr_kvm_type(const char *vm_type)
 }
 
 /*
- * Implementation of an interface to adjust firmware patch
+ * Implementation of an interface to adjust firmware path
  * for the bootindex property handling.
  */
 static char *spapr_get_fw_dev_path(FWPathProvider *p, BusState *bus,