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/M5475BFE_defconfig b/configs/M5475BFE_defconfig
index 4ffe19f..c9667da 100644
--- a/configs/M5475BFE_defconfig
+++ b/configs/M5475BFE_defconfig
@@ -1,4 +1,4 @@
 CONFIG_M68K=y
 CONFIG_TARGET_M5475EVB=y
 CONFIG_SYS_EXTRA_OPTIONS="SYS_BUSCLK=133333333,SYS_BOOTSZ=2,SYS_DRAMSZ=64,SYS_NOR1SZ=16"
-CONFIG_CMD_NET=y
+# CONFIG_CMD_SETEXPR is not set