arm64: defconfig: Enable PHY_ROCKCHIP_NANENG_COMBO_PHY

Rockchip RK3588 SoC has NaNeng IP PHY block used for PCIe, USB3, SATA
and SGMII.

Enable Rockchip NaNeng PHY driver.

Signed-off-by: Jagan Teki <jagan@edgeble.ai>
Link: https://lore.kernel.org/r/20230713143941.1756849-4-jagan@edgeble.ai


Signed-off-by: Heiko Stuebner <heiko@sntech.de>