staging: rtl8192e: Rename firmware_check_ready

Use naming schema found in other rtlwifi devices.
Rename firmware_check_ready to _rtl92e_fw_check_ready.
Signed-off-by: Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192e/rtl8192e/r8192E_firmware.c

@@ -177,7 +177,7 @@ static bool _rtl92e_is_fw_ready(struct net_device *dev)
 
 }
 
-static bool firmware_check_ready(struct net_device *dev,
+static bool _rtl92e_fw_check_ready(struct net_device *dev,
 				   u8 load_fw_status)
 {
 	struct r8192_priv *priv = rtllib_priv(dev);
@@ -304,7 +304,7 @@ bool rtl92e_init_fw(struct net_device *dev)
 		if (!rt_status)
 			goto download_firmware_fail;
 
-		if (!firmware_check_ready(dev, i))
+		if (!_rtl92e_fw_check_ready(dev, i))
 			goto download_firmware_fail;
 	}