phy: meson-gxl-usb2: remove phy_meson_gxl_usb2_set_mode

Remove the public phy_meson_gxl_usb2_set_mode and move
the implementation in the the set_mode callback.

Reviewed-by: Marek Vasut <marex@denx.de>
Link: https://lore.kernel.org/r/20240620-u-boot-usb-gxl-phy-set-mode-v2-3-b81c027bc02c@linaro.org
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
2 files changed