Kconfig: Drop CONFIG_CMD_DFL

This option is not used in U-Boot. Drop it.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/include/configs/armadillo-800eva.h b/include/configs/armadillo-800eva.h
index 7e81c5e..2023895 100644
--- a/include/configs/armadillo-800eva.h
+++ b/include/configs/armadillo-800eva.h
@@ -16,7 +16,6 @@
 
 #include <asm/arch/rmobile.h>
 
-#define CONFIG_CMD_DFL
 #define CONFIG_CMD_SDRAM
 
 #define BOARD_LATE_INIT
diff --git a/include/configs/rcar-gen2-common.h b/include/configs/rcar-gen2-common.h
index afa37a5..3a719c0 100644
--- a/include/configs/rcar-gen2-common.h
+++ b/include/configs/rcar-gen2-common.h
@@ -11,7 +11,6 @@
 
 #include <asm/arch/rmobile.h>
 
-#define CONFIG_CMD_DFL
 #define CONFIG_CMD_SDRAM
 
 /* Support File sytems */
diff --git a/include/configs/rcar-gen3-common.h b/include/configs/rcar-gen3-common.h
index 36e07dc..056aea3 100644
--- a/include/configs/rcar-gen3-common.h
+++ b/include/configs/rcar-gen3-common.h
@@ -12,7 +12,6 @@
 
 #include <asm/arch/rmobile.h>
 
-#define CONFIG_CMD_DFL
 #define CONFIG_CMD_SDRAM
 #define CONFIG_CMD_FAT
 #define CONFIG_CMD_EXT2
diff --git a/include/configs/sh7752evb.h b/include/configs/sh7752evb.h
index 0cfcbab..3342a29 100644
--- a/include/configs/sh7752evb.h
+++ b/include/configs/sh7752evb.h
@@ -14,7 +14,6 @@
 
 #define CONFIG_SYS_TEXT_BASE	0x5ff80000
 
-#define CONFIG_CMD_DFL
 #define CONFIG_CMD_SDRAM
 
 #define CONFIG_BOOTARGS		"console=ttySC2,115200 root=/dev/nfs ip=dhcp"
diff --git a/include/configs/sh7753evb.h b/include/configs/sh7753evb.h
index 58aad05..7867042 100644
--- a/include/configs/sh7753evb.h
+++ b/include/configs/sh7753evb.h
@@ -14,7 +14,6 @@
 
 #define CONFIG_SYS_TEXT_BASE	0x5ff80000
 
-#define CONFIG_CMD_DFL
 #define CONFIG_CMD_SDRAM
 
 #define CONFIG_BOOTARGS		"console=ttySC2,115200 root=/dev/nfs ip=dhcp"
diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt
index 3c1feed..08f5d9c 100644
--- a/scripts/config_whitelist.txt
+++ b/scripts/config_whitelist.txt
@@ -394,7 +394,6 @@
 CONFIG_CMDLINE_PS_SUPPORT
 CONFIG_CMDLINE_TAG
 CONFIG_CMD_DATE
-CONFIG_CMD_DFL
 CONFIG_CMD_DIAG
 CONFIG_CMD_DISPLAY
 CONFIG_CMD_DS4510