kern/53105: Adding LAN78xx family to usbdevs

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>Number:         53105
>Category:       kern
>Synopsis:       Adding LAN78xx family to usbdevs
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          change-request
>Submitter-Id:   net
>Arrival-Date:   Sat Mar 17 18:00:00 +0000 2018
>Originator:     Sprow
>Release:        
>Organization:
>Environment:
>Description:
The Raspberry Pi 3B+ uses the SMSC 7800, but it's not in the usbdevs table. When next convenient, the following patch adds all of the current 78xx family.
>How-To-Repeat:

>Fix:
--- usbdevs.1.745	2018-03-17 17:10:00 +0000
+++ usbdevs	2018-03-17 17:44:32 +0000
@@ -3095,6 +3095,9 @@
 product SMSC 2513HUB		0x2513	USB 2.0 3-Port Hub
 product SMSC 2514HUB		0x2514	USB 2.0 4-Port Hub
 product SMSC LAN7500		0x7500	LAN7500 USB 2.0 gigabit ethernet device
+product SMSC LAN7800		0x7800	LAN7800 USB 3.1 gigabit ethernet device
+product SMSC LAN7801		0x7801	LAN7801 USB 3.1 gigabit ethernet device
+product SMSC LAN7850		0x7850	LAN7850 USB 2.0 gigabit ethernet device
 product SMSC SMSC9500		0x9500	SMSC9500 Ethernet device
 product SMSC SMSC9505		0x9505	SMSC9505 Ethernet device
 product SMSC SMSC9512		0x9512	SMSC9512 USB Hub & Ethernet device