modules/hal_ethos_u: do not expose module kconfigs if not enabled

Do not expose module Kconfigs if not enabled or used.

(cherry picked from commit bf7d7d6)

Original-Signed-off-by: Anas Nashif <anas.nashif@intel.com>
GitOrigin-RevId: bf7d7d6
Change-Id: I0ac230599dd66b33f20377f2fd13f663f05ac0d7
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/zephyr/+/5107889
Tested-by: ChromeOS Prod (Robot) <chromeos-ci-prod@chromeos-bot.iam.gserviceaccount.com>
Commit-Queue: Fabio Baltieri <fabiobaltieri@google.com>
Tested-by: Fabio Baltieri <fabiobaltieri@google.com>
Reviewed-by: Fabio Baltieri <fabiobaltieri@google.com>

modules/hal_ethos_u/Kconfig

@@ -9,10 +9,10 @@ config ARM_ETHOS_U
 	help
 	  This option enables the Arm Ethos-U core driver.
 
+if ARM_ETHOS_U
 menu "Arm Ethos-U NPU configuration"
 choice  ARM_ETHOS_U_NPU_CONFIG
 	prompt "Arm Ethos-U NPU configuration"
-	depends on ARM_ETHOS_U
 	default ARM_ETHOS_U55_128
 config ARM_ETHOS_U55_64
 	bool "using Ethos-U55 with 64 macs"
@@ -69,3 +69,5 @@ config ARM_ETHOS_U_LOG_LEVEL
 	default 2 if ARM_ETHOS_U_LOG_LEVEL_WRN
 	default 3 if ARM_ETHOS_U_LOG_LEVEL_INF
 	default 4 if ARM_ETHOS_U_LOG_LEVEL_DBG
+
+endif