usb: gadget: add max_speed to usb_composite_driver

This field is used by the Gadget drivers to specify
the maximum speed they support, meaning: the maximum
speed they can provide descriptors for.

The driver speed will be set in consideration of this
value.

[ balbi@ti.com : dropped the ifdeffery ]

Signed-off-by: Tatyana Brokhman <tlinder@codeaurora.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
[idos@codeaurora.org: added max_speed also to android.c]
Signed-off-by: Ido Shayevitz <idos@codeaurora.org>
diff --git a/drivers/usb/gadget/android.c b/drivers/usb/gadget/android.c
index c0c6c1e..7e731de 100644
--- a/drivers/usb/gadget/android.c
+++ b/drivers/usb/gadget/android.c
@@ -1388,6 +1388,7 @@
 	.dev		= &device_desc,
 	.strings	= dev_strings,
 	.unbind		= android_usb_unbind,
+	.max_speed	= USB_SPEED_SUPER
 };
 
 static int