USB: core: additional Device Classes to debug/usb/devices

Several newer USB Device classes are not presently reported individually at
/sys/kernel/debug/usb/devices, (reported as "unk."). This patch adds the
following classes: 0fh (Personal Healthcare devices), 10h (USB Type-C combined
Audio/Video devices) 11h (USB billboard), 12h (USB Type-C Bridge). As defined
at [https://www.usb.org/defined-class-codes]

Corresponding classes defined in include/linux/usb/ch9.h.

Signed-off-by: Rob Gill <rrobgill@protonmail.com>
Link: https://lore.kernel.org/r/20200601211749.6878-1-rrobgill@protonmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/core/devices.c

@@ -133,6 +133,10 @@ static const struct class_info clas_info[] = {
 	{USB_CLASS_CSCID,		"scard"},
 	{USB_CLASS_CONTENT_SEC,		"c-sec"},
 	{USB_CLASS_VIDEO,		"video"},
+	{USB_CLASS_PERSONAL_HEALTHCARE,	"perhc"},
+	{USB_CLASS_AUDIO_VIDEO,		"av"},
+	{USB_CLASS_BILLBOARD,		"blbrd"},
+	{USB_CLASS_USB_TYPE_C_BRIDGE,	"bridg"},
 	{USB_CLASS_WIRELESS_CONTROLLER,	"wlcon"},
 	{USB_CLASS_MISC,		"misc"},
 	{USB_CLASS_APP_SPEC,		"app."},

include/uapi/linux/usb/ch9.h

@@ -326,6 +326,10 @@ struct usb_device_descriptor {
 #define USB_CLASS_CONTENT_SEC		0x0d	/* content security */
 #define USB_CLASS_VIDEO			0x0e
 #define USB_CLASS_WIRELESS_CONTROLLER	0xe0
+#define USB_CLASS_PERSONAL_HEALTHCARE	0x0f
+#define USB_CLASS_AUDIO_VIDEO		0x10
+#define USB_CLASS_BILLBOARD		0x11
+#define USB_CLASS_USB_TYPE_C_BRIDGE	0x12
 #define USB_CLASS_MISC			0xef
 #define USB_CLASS_APP_SPEC		0xfe
 #define USB_CLASS_VENDOR_SPEC		0xff