Move defaults from config_cmd_default.h to Kconfig

This sets the default commands Kconfig to match
include/config_cmd_default.h commands in the common/Kconfig and removes
them from include/configs.

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
[trini: rastaban, am43xx_evm_usbhost_boot, am43xx_evm_ethboot updates]
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/dbau1550_el_defconfig b/configs/dbau1550_el_defconfig
index 07dd6b3..845bc87 100644
--- a/configs/dbau1550_el_defconfig
+++ b/configs/dbau1550_el_defconfig
@@ -2,5 +2,10 @@
 CONFIG_TARGET_DBAU1X00=y
 CONFIG_DBAU1550=y
 CONFIG_SYS_LITTLE_ENDIAN=y
-CONFIG_CMD_NET=y
+# CONFIG_CMD_BDI is not set
+# CONFIG_CMD_RUN is not set
+# CONFIG_CMD_SAVEENV is not set
+# CONFIG_CMD_FPGA is not set
+# CONFIG_CMD_SETEXPR is not set
+# CONFIG_CMD_NFS is not set
 CONFIG_USE_PRIVATE_LIBGCC=y