Convert CONFIG_OF_EMBED to Kconfig

This converts the following to Kconfig:
   CONFIG_OF_EMBED
Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Rick Chen <rick@andestech.com>

README

@@ -673,13 +673,6 @@ The following options need to be configured:
 		U-Boot needs to get its device tree from somewhere. This can
 		be done using one of the three options below:
 
-		CONFIG_OF_EMBED
-		If this variable is defined, U-Boot will embed a device tree
-		binary in its image. This device tree file should be in the
-		board directory and called <soc>-<board>.dts. The binary file
-		is then picked up in board_init_f() and made available through
-		the global data structure as gd->fdt_blob.
-
 		CONFIG_OF_SEPARATE
 		If this variable is defined, U-Boot will build a device tree
 		binary. It will be called u-boot.dtb. Architecture-specific

configs/adp-ae3xx_defconfig

@@ -24,6 +24,7 @@ CONFIG_CMD_DATE=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_OF_CONTROL=y
+CONFIG_OF_EMBED=y
 CONFIG_ENV_OVERWRITE=y
 CONFIG_ENV_IS_IN_SPI_FLASH=y
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y

configs/adp-ag101p_defconfig

@@ -22,6 +22,7 @@ CONFIG_CMD_DATE=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_OF_CONTROL=y
+CONFIG_OF_EMBED=y
 CONFIG_ENV_OVERWRITE=y
 CONFIG_ENV_IS_IN_FLASH=y
 CONFIG_ENV_ADDR=0x80140000

include/configs/adp-ae3xx.h

@@ -24,7 +24,6 @@
 #ifdef CONFIG_SKIP_LOWLEVEL_INIT
 #ifdef CONFIG_OF_CONTROL
 #undef CONFIG_OF_SEPARATE
-#define CONFIG_OF_EMBED
 #endif
 #endif
 

include/configs/adp-ag101p.h

@@ -26,7 +26,6 @@
 #ifdef CONFIG_SKIP_LOWLEVEL_INIT
 #ifdef CONFIG_OF_CONTROL
 #undef CONFIG_OF_SEPARATE
-#define CONFIG_OF_EMBED
 #endif
 #endif
 

include/configs/cgtqmx8.h

@@ -30,8 +30,6 @@
 #define CONFIG_SPL_RAW_IMAGE_ARM_TRUSTED_FIRMWARE
 
 #define CONFIG_SPL_ABORT_ON_RAW_IMAGE
-
-#define CONFIG_OF_EMBED
 #endif
 
 #define CONFIG_REMAKE_ELF

include/configs/imx8qm_mek.h

@@ -30,8 +30,6 @@
 #define CONFIG_SPL_RAW_IMAGE_ARM_TRUSTED_FIRMWARE
 
 #define CONFIG_SPL_ABORT_ON_RAW_IMAGE
-
-#define CONFIG_OF_EMBED
 #endif
 
 #define CONFIG_REMAKE_ELF

include/configs/imx8qxp_mek.h

@@ -28,8 +28,6 @@
 #define CONFIG_SPL_RAW_IMAGE_ARM_TRUSTED_FIRMWARE
 
 #define CONFIG_SPL_ABORT_ON_RAW_IMAGE
-
-#define CONFIG_OF_EMBED
 #endif
 
 #define CONFIG_REMAKE_ELF