usb: aspeed-vhub: add qualifier descriptor
USB3 Command Verifier (USB3CV) is the official tool for
USB3 Hub and Device Framework testing.
A high-speed capable device that has different device information
for full-speed and high-speed must have a Device Qualifier Descriptor.
This patch is to support device qualifier to pass
USB3CV - Chapter 9 Test [USB 2 devices] - Device Qualifier Tests.
Signed-off-by: Neal Liu <neal_liu@aspeedtech.com>
Link: https://lore.kernel.org/r/20211208100545.1441397-2-neal_liu@aspeedtech.com
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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