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/M5475DFE_defconfig b/configs/M5475DFE_defconfig
index 46d9964..242acc8 100644
--- a/configs/M5475DFE_defconfig
+++ b/configs/M5475DFE_defconfig
@@ -3,4 +3,7 @@
 CONFIG_SYS_TEXT_BASE=0xFF800000
 CONFIG_SYS_EXTRA_OPTIONS="SYS_BUSCLK=133333333,SYS_BOOTSZ=2,SYS_DRAMSZ=64,SYS_USBCTRL"
 CONFIG_SYS_PROMPT="-> "
+CONFIG_CMD_I2C=y
+CONFIG_CMD_USB=y
 # CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_PING=y