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/stm32f746-disco_defconfig b/configs/stm32f746-disco_defconfig
index abbb1e9..0048226 100644
--- a/configs/stm32f746-disco_defconfig
+++ b/configs/stm32f746-disco_defconfig
@@ -7,6 +7,8 @@
 CONFIG_AUTOBOOT_KEYED=y
 CONFIG_AUTOBOOT_PROMPT="Hit SPACE in %d seconds to stop autoboot.\n"
 CONFIG_AUTOBOOT_STOP_STR=" "
+# CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_TIMER=y
 CONFIG_OF_LIBFDT=y
 # CONFIG_EFI_LOADER is not set