trusted_storage: disallow NVS on nRF54L15

ZMS has become the first-class citizen.

Signed-off-by: Tomi Fontanilles <[email protected]>

Author: tomi-font

subsys/trusted_storage/Kconfig

@@ -158,7 +158,7 @@ choice TRUSTED_STORAGE_STORAGE_BACKEND
 
 config TRUSTED_STORAGE_STORAGE_BACKEND_SETTINGS
 	bool "Settings storage backend"
-	depends on SETTINGS_NVS || SETTINGS_ZMS
+	depends on SETTINGS_ZMS || (SETTINGS_NVS && !SOC_NRF54L15)
 	help
 	  Use the Settings subsystem to store the assets