mips: mt76xx: linkit/gardena: Don't use CONFIG_OF_EMBED

Building with CONFIG_OF_EMBED generates build warnings, as it should
only be used for debugging purposes. So let's move all MT7688 targets to
CONFIG_OF_SEPARATE instead with this patch.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
diff --git a/configs/gardena-smart-gateway-mt7688-ram_defconfig b/configs/gardena-smart-gateway-mt7688-ram_defconfig
index 05e7cf9..ae8bf29 100644
--- a/configs/gardena-smart-gateway-mt7688-ram_defconfig
+++ b/configs/gardena-smart-gateway-mt7688-ram_defconfig
@@ -36,7 +36,6 @@
 CONFIG_MTDIDS_DEFAULT="spi-nand0=gd5f,nor0=spi0.0"
 CONFIG_MTDPARTS_DEFAULT="spi0.0:640k(uboot),64k(uboot_env0),64k(uboot_env1),64k(factory),-(unused);gd5f:-(nand)"
 CONFIG_CMD_UBI=y
-CONFIG_OF_EMBED=y
 CONFIG_DEFAULT_DEVICE_TREE="gardena-smart-gateway-mt7688"
 CONFIG_ENV_IS_IN_SPI_FLASH=y
 CONFIG_NET_RANDOM_ETHADDR=y
diff --git a/configs/gardena-smart-gateway-mt7688_defconfig b/configs/gardena-smart-gateway-mt7688_defconfig
index a08d1db..b7024e3 100644
--- a/configs/gardena-smart-gateway-mt7688_defconfig
+++ b/configs/gardena-smart-gateway-mt7688_defconfig
@@ -39,7 +39,6 @@
 CONFIG_MTDIDS_DEFAULT="spi-nand0=gd5f,nor0=spi0.0"
 CONFIG_MTDPARTS_DEFAULT="spi0.0:640k(uboot),64k(uboot_env0),64k(uboot_env1),64k(factory),-(unused);gd5f:-(nand)"
 CONFIG_CMD_UBI=y
-CONFIG_OF_EMBED=y
 CONFIG_DEFAULT_DEVICE_TREE="gardena-smart-gateway-mt7688"
 CONFIG_ENV_IS_IN_SPI_FLASH=y
 CONFIG_NET_RANDOM_ETHADDR=y
diff --git a/configs/linkit-smart-7688-ram_defconfig b/configs/linkit-smart-7688-ram_defconfig
index 2d20e9e..2d3ab7e 100644
--- a/configs/linkit-smart-7688-ram_defconfig
+++ b/configs/linkit-smart-7688-ram_defconfig
@@ -26,7 +26,6 @@
 CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
 CONFIG_CMD_TIME=y
-CONFIG_OF_EMBED=y
 CONFIG_DEFAULT_DEVICE_TREE="linkit-smart-7688"
 CONFIG_ENV_IS_IN_SPI_FLASH=y
 CONFIG_NET_RANDOM_ETHADDR=y
diff --git a/configs/linkit-smart-7688_defconfig b/configs/linkit-smart-7688_defconfig
index 5add29f..ad34aaf 100644
--- a/configs/linkit-smart-7688_defconfig
+++ b/configs/linkit-smart-7688_defconfig
@@ -30,7 +30,6 @@
 CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
 CONFIG_CMD_TIME=y
-CONFIG_OF_EMBED=y
 CONFIG_DEFAULT_DEVICE_TREE="linkit-smart-7688"
 CONFIG_ENV_IS_IN_SPI_FLASH=y
 CONFIG_NET_RANDOM_ETHADDR=y