[openwrt/openwrt] rockchip: enable Realtek PHY support

[LEDE Commits]

blocktrron pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/4b4bff50706ea16de6146839973e56308dfb0af4

commit 4b4bff50706ea16de6146839973e56308dfb0af4
Author: David Bauer <mail at david-bauer.net>
AuthorDate: Sat Oct 3 13:50:49 2020 +0200

    rockchip: enable Realtek PHY support
    
    The NanoPi R2S features a Realtek Gigabit Ethernet PHY. Enable the
    Realtek specific PHY driver to correctly configure internal delays.
    
    Signed-off-by: David Bauer <mail at david-bauer.net>
---
 target/linux/rockchip/armv8/config-5.4 | 1 +
 1 file changed, 1 insertion(+)

diff --git a/target/linux/rockchip/armv8/config-5.4 b/target/linux/rockchip/armv8/config-5.4
index 08dd722263..794608d7e2 100644
--- a/target/linux/rockchip/armv8/config-5.4
+++ b/target/linux/rockchip/armv8/config-5.4
@@ -367,6 +367,7 @@ CONFIG_RCU_CPU_STALL_TIMEOUT=21
 # CONFIG_RCU_EXPERT is not set
 CONFIG_RCU_TRACE=y
 # CONFIG_READ_ONLY_THP_FOR_FS is not set
+CONFIG_REALTEK_PHY=y
 CONFIG_REGMAP=y
 CONFIG_REGMAP_I2C=y
 CONFIG_REGMAP_IRQ=y