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/am437x_sk_evm_defconfig b/configs/am437x_sk_evm_defconfig
index 276d14a..66b88a1 100644
--- a/configs/am437x_sk_evm_defconfig
+++ b/configs/am437x_sk_evm_defconfig
@@ -12,8 +12,14 @@
 CONFIG_HUSH_PARSER=y
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_FLASH is not set
+CONFIG_CMD_SF=y
+CONFIG_CMD_SPI=y
+CONFIG_CMD_I2C=y
+CONFIG_CMD_USB=y
 CONFIG_CMD_GPIO=y
 # CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_PING=y
 CONFIG_OF_CONTROL=y
 CONFIG_DM=y
 CONFIG_DMA=y