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/vexpress_aemv8a_juno_defconfig b/configs/vexpress_aemv8a_juno_defconfig
index b9bfc26..7bae9c9 100644
--- a/configs/vexpress_aemv8a_juno_defconfig
+++ b/configs/vexpress_aemv8a_juno_defconfig
@@ -9,11 +9,15 @@
 # CONFIG_CMD_XIMG is not set
 # CONFIG_CMD_EDITENV is not set
 # CONFIG_CMD_ENV_EXISTS is not set
+CONFIG_CMD_MEMTEST=y
 # CONFIG_CMD_LOADS is not set
+CONFIG_CMD_ARMFLASH=y
 # CONFIG_CMD_FPGA is not set
 # CONFIG_CMD_ITEST is not set
 # CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_DHCP=y
 # CONFIG_CMD_NFS is not set
+CONFIG_CMD_PING=y
 # CONFIG_CMD_MISC is not set
 CONFIG_DM=y
 CONFIG_OF_LIBFDT=y