efi: Rearrange the Kconfig for CMD_BOOTEFI_BOOTMGR

The command should not be used to enable library functionality. Add a
new BOOTEFI_BOOTMGR Kconfig for that. Adjust the conditions so that the
same code is built.

Signed-off-by: Simon Glass <sjg@chromium.org>
Suggested-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
diff --git a/cmd/Kconfig b/cmd/Kconfig
index 0ad56f6..1ba6a38 100644
--- a/cmd/Kconfig
+++ b/cmd/Kconfig
@@ -378,6 +378,15 @@
 	help
 	  Boot an EFI image from memory.
 
+config CMD_BOOTEFI_BOOTMGR
+	bool "UEFI Boot Manager command"
+	depends on BOOTEFI_BOOTMGR && CMD_BOOTEFI
+	default y
+	help
+	  Select this option to enable the 'bootmgr' subcommand of 'bootefi'.
+	  This subcommand will allow you to select the UEFI binary to be booted
+	  via UEFI variables Boot####, BootOrder, and BootNext.
+
 config CMD_BOOTEFI_HELLO_COMPILE
 	bool "Compile a standard EFI hello world binary for testing"
 	depends on CMD_BOOTEFI && !CPU_V7M
@@ -2128,7 +2137,7 @@
 config CMD_EFICONFIG
 	bool "eficonfig - provide menu-driven uefi variables maintenance interface"
 	default y if !HAS_BOARD_SIZE_LIMIT
-	depends on CMD_BOOTEFI_BOOTMGR
+	depends on BOOTEFI_BOOTMGR
 	select MENU
 	help
 	  Enable the 'eficonfig' command which provides the menu-driven UEFI