Remove the rockchip,rk3399-dwc3 compatible from the dwc3-of-simple
driver now that all boards have changed to use the dwc3-generic driver.
Also remove the amlogic,meson-gxl-dwc3 compatible, it is no longer in
use by any device tree in mainline linux or U-Boot.
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Marek Vasut <marex@denx.de>