usb: renesas-xhci: Do not print any log while fw verif success

When drivers are working properly, they should be quiet.
Signed-off-by: Chen Xingdi <chenxingdi@huawei.com>
Link: https://lore.kernel.org/r/20220727031146.19345-1-chenxingdi@huawei.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/host/xhci-pci-renesas.c

@@ -120,7 +120,6 @@ static int renesas_fw_verify(const void *fw_data,
 			     size_t length)
 {
 	u16 fw_version_pointer;
-	u16 fw_version;
 
 	/*
 	 * The Firmware's Data Format is describe in
@@ -150,9 +149,6 @@ static int renesas_fw_verify(const void *fw_data,
 		return -EINVAL;
 	}
 
-	fw_version = get_unaligned_le16(fw_data + fw_version_pointer);
-	pr_err("got firmware version: %02x.", fw_version);
-
 	return 0;
 }