cmd: Convert CMD_BOOTMENU

Also convert MENU while we're in here.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/cmd/Kconfig b/cmd/Kconfig
index 7653c60..bafba6f 100644
--- a/cmd/Kconfig
+++ b/cmd/Kconfig
@@ -203,6 +203,12 @@
 	  for testing that EFI is working at a basic level, and for bringing
 	  up EFI support on a new architecture.
 
+config CMD_BOOTMENU
+	bool "bootmenu"
+	select MENU
+	help
+	  Add an ANSI terminal boot menu command.
+
 config CMD_ELF
 	bool "bootelf, bootvx"
 	default y