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/imx31_phycore_defconfig b/configs/imx31_phycore_defconfig
index 6f3ae10..e824616 100644
--- a/configs/imx31_phycore_defconfig
+++ b/configs/imx31_phycore_defconfig
@@ -1,4 +1,6 @@
 CONFIG_ARM=y
 CONFIG_TARGET_IMX31_PHYCORE=y
 CONFIG_SYS_PROMPT="uboot> "
+CONFIG_CMD_I2C=y
 # CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_PING=y