configs: Re-sync almost all of cmd/Kconfig

This syncs up the current cmd/Kconfig and include/configs/ files with the
only exception being CMD_NAND.  Due to how we have used this historically
we need to take further care here when converting.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/xpress_spl_defconfig b/configs/xpress_spl_defconfig
index b464d15..9c2bcc5 100644
--- a/configs/xpress_spl_defconfig
+++ b/configs/xpress_spl_defconfig
@@ -4,6 +4,10 @@
 CONFIG_SPL=y
 CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/imx-common/spl_sd.cfg"
 CONFIG_HUSH_PARSER=y
+# CONFIG_CMD_IMLS is not set
+CONFIG_CMD_MEMTEST=y
+CONFIG_CMD_I2C=y
+CONFIG_CMD_USB=y
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_PING=y
 CONFIG_OF_LIBFDT=y