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/colibri_pxa270_defconfig b/configs/colibri_pxa270_defconfig
index 2dead77..6926104 100644
--- a/configs/colibri_pxa270_defconfig
+++ b/configs/colibri_pxa270_defconfig
@@ -1,9 +1,13 @@
 CONFIG_ARM=y
 CONFIG_TARGET_COLIBRI_PXA270=y
 CONFIG_HUSH_PARSER=y
+CONFIG_SYS_PROMPT="$ "
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_LOADB is not set
 # CONFIG_CMD_LOADS is not set
+CONFIG_CMD_USB=y
 # CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_PING=y
 CONFIG_OF_LIBFDT=y
 # CONFIG_EFI_LOADER is not set