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/cm-bf561_defconfig b/configs/cm-bf561_defconfig
index 1adbfc3..086a05a 100644
--- a/configs/cm-bf561_defconfig
+++ b/configs/cm-bf561_defconfig
@@ -2,5 +2,8 @@
 CONFIG_TARGET_CM_BF561=y
 CONFIG_CMD_GPIO=y
 # CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_DNS=y
 CONFIG_CC_OPTIMIZE_LIBS_FOR_SPEED=y
 CONFIG_LIB_RAND=y