Add basic USB support. No TX/RX aggregation, no switching to USB 3 mode.
RTL8851BU and RTL8832BU work.
Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com>
Acked-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/f9ad1664-2d63-4a8f-88bf-c7b7bececbfe@gmail.com