FWU: Avoid showing an unselectable menu option

Use a menuconfig to avoid showing a menu which cannot be selected in many
cases.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Sughosh Ganu <sughosh.ganu@linaro.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
diff --git a/lib/fwu_updates/Kconfig b/lib/fwu_updates/Kconfig
index 71f3479..d35247d 100644
--- a/lib/fwu_updates/Kconfig
+++ b/lib/fwu_updates/Kconfig
@@ -1,4 +1,4 @@
-config FWU_MULTI_BANK_UPDATE
+menuconfig FWU_MULTI_BANK_UPDATE
 	bool "Enable FWU Multi Bank Update Feature"
 	depends on EFI_CAPSULE_ON_DISK
 	select PARTITION_TYPE_GUID
@@ -10,24 +10,25 @@
 	  multiple banks(copies) of the firmware images. One of the
 	  bank is selected for updating all the firmware components
 
+if FWU_MULTI_BANK_UPDATE
+
 config FWU_NUM_BANKS
 	int "Number of Banks defined by the platform"
-	depends on FWU_MULTI_BANK_UPDATE
 	help
 	  Define the number of banks of firmware images on a platform
 
 config FWU_NUM_IMAGES_PER_BANK
 	int "Number of firmware images per bank"
-	depends on FWU_MULTI_BANK_UPDATE
 	help
 	  Define the number of firmware images per bank. This value
 	  should be the same for all the banks.
 
 config FWU_TRIAL_STATE_CNT
 	int "Number of times system boots in Trial State"
-	depends on FWU_MULTI_BANK_UPDATE
 	default 3
 	help
 	  With FWU Multi Bank Update feature enabled, number of times
 	  the platform is allowed to boot in Trial State after an
 	  update.
+
+endif