rtl_nic: update firmware for RTL8125B

Realtek provided updated versions of RTL8125B rev.a and rev.b firmware.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Chunhao Lin <hau@realtek.com>
Signed-off-by: Josh Boyer <jwboyer@kernel.org>

WHENCE

@@ -3066,10 +3066,10 @@ File: rtl_nic/rtl8125a-3.fw
 Version: 0.0.1
 
 File: rtl_nic/rtl8125b-1.fw
-Version: 0.0.1
+Version: 0.0.2
 
 File: rtl_nic/rtl8125b-2.fw
-Version: 0.0.1
+Version: 0.0.2
 
 Licence:
  * Copyright © 2011-2013, Realtek Semiconductor Corporation