net: Move CONFIG_RTL8169 to Kconfig

Introduce CONFIG_RTL8169 in Kconfig and move over boards' defconfig
to use that.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Stephen Warren <swaren@nvidia.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
diff --git a/configs/beaver_defconfig b/configs/beaver_defconfig
index fcfbf65..9e6a5c3 100644
--- a/configs/beaver_defconfig
+++ b/configs/beaver_defconfig
@@ -15,6 +15,7 @@
 # CONFIG_CMD_NFS is not set
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_WINBOND=y
+CONFIG_RTL8169=y
 CONFIG_PCI_TEGRA=y
 CONFIG_SYS_NS16550=y
 CONFIG_TEGRA20_SLINK=y
diff --git a/configs/cardhu_defconfig b/configs/cardhu_defconfig
index 808e0e2..eba46e7 100644
--- a/configs/cardhu_defconfig
+++ b/configs/cardhu_defconfig
@@ -15,6 +15,7 @@
 # CONFIG_CMD_NFS is not set
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_WINBOND=y
+CONFIG_RTL8169=y
 CONFIG_PCI_TEGRA=y
 CONFIG_SYS_NS16550=y
 CONFIG_TEGRA20_SLINK=y
diff --git a/configs/chromebox_panther_defconfig b/configs/chromebox_panther_defconfig
index 7a27154..3d79502 100644
--- a/configs/chromebox_panther_defconfig
+++ b/configs/chromebox_panther_defconfig
@@ -27,6 +27,7 @@
 CONFIG_SPI_FLASH_MACRONIX=y
 CONFIG_SPI_FLASH_WINBOND=y
 CONFIG_DM_ETH=y
+CONFIG_RTL8169=y
 CONFIG_DM_PCI=y
 CONFIG_DM_RTC=y
 CONFIG_SYS_NS16550=y
diff --git a/configs/jetson-tk1_defconfig b/configs/jetson-tk1_defconfig
index c07b278..d964f1c 100644
--- a/configs/jetson-tk1_defconfig
+++ b/configs/jetson-tk1_defconfig
@@ -15,6 +15,7 @@
 # CONFIG_CMD_NFS is not set
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_WINBOND=y
+CONFIG_RTL8169=y
 CONFIG_PCI_TEGRA=y
 CONFIG_SYS_NS16550=y
 CONFIG_TEGRA114_SPI=y
diff --git a/configs/minnowmax_defconfig b/configs/minnowmax_defconfig
index ea39e6a..efb9c1e 100644
--- a/configs/minnowmax_defconfig
+++ b/configs/minnowmax_defconfig
@@ -29,6 +29,7 @@
 CONFIG_SPI_FLASH_STMICRO=y
 CONFIG_SPI_FLASH_WINBOND=y
 CONFIG_DM_ETH=y
+CONFIG_RTL8169=y
 CONFIG_DM_PCI=y
 CONFIG_DM_RTC=y
 CONFIG_DEBUG_UART=y
diff --git a/configs/p2371-2180_defconfig b/configs/p2371-2180_defconfig
index 392c539..a8b1247 100644
--- a/configs/p2371-2180_defconfig
+++ b/configs/p2371-2180_defconfig
@@ -14,6 +14,7 @@
 # CONFIG_CMD_NFS is not set
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_WINBOND=y
+CONFIG_RTL8169=y
 CONFIG_PCI_TEGRA=y
 CONFIG_SYS_NS16550=y
 CONFIG_TEGRA114_SPI=y
diff --git a/configs/trimslice_defconfig b/configs/trimslice_defconfig
index a0b3a3e..2d8579b 100644
--- a/configs/trimslice_defconfig
+++ b/configs/trimslice_defconfig
@@ -15,6 +15,7 @@
 # CONFIG_CMD_NFS is not set
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_WINBOND=y
+CONFIG_RTL8169=y
 CONFIG_PCI_TEGRA=y
 CONFIG_SYS_NS16550=y
 CONFIG_TEGRA20_SFLASH=y