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/MPC832XEMDS_SLAVE_defconfig b/configs/MPC832XEMDS_SLAVE_defconfig
index 2c0bfab..467f220 100644
--- a/configs/MPC832XEMDS_SLAVE_defconfig
+++ b/configs/MPC832XEMDS_SLAVE_defconfig
@@ -2,4 +2,4 @@
 CONFIG_MPC83xx=y
 CONFIG_TARGET_MPC832XEMDS=y
 CONFIG_SYS_EXTRA_OPTIONS="PCI,PCISLAVE"
-CONFIG_CMD_NET=y
+# CONFIG_CMD_SETEXPR is not set