configs: rock5b-rk3588: add rtl8169 driver

Add the rtl8169 driver, which supports the rtl8125b device, which is
connected on the pciE bus on this board.
Enable also CONFIG_SYS_HAS_NONCACHED_MEMORY to have the descriptors stored.

Signed-off-by: Eugen Hristev <eugen.hristev@collabora.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/configs/rock5b-rk3588_defconfig b/configs/rock5b-rk3588_defconfig
index 17205a5..85cb70b 100644
--- a/configs/rock5b-rk3588_defconfig
+++ b/configs/rock5b-rk3588_defconfig
@@ -1,5 +1,6 @@
 CONFIG_ARM=y
 CONFIG_SKIP_LOWLEVEL_INIT=y
+CONFIG_SYS_HAS_NONCACHED_MEMORY=y
 CONFIG_COUNTER_FREQUENCY=24000000
 CONFIG_ARCH_ROCKCHIP=y
 CONFIG_TEXT_BASE=0x00a00000
@@ -71,6 +72,7 @@
 CONFIG_SPI_FLASH_MACRONIX=y
 CONFIG_SPI_FLASH_XTX=y
 CONFIG_ETH_DESIGNWARE=y
+CONFIG_RTL8169=y
 CONFIG_GMAC_ROCKCHIP=y
 CONFIG_PCIE_DW_ROCKCHIP=y
 CONFIG_PHY_ROCKCHIP_INNO_USB2=y