add FLASHIAP in targets.json for KVStore used in PDMC

Author: soleilplanet

targets/targets.json

@@ -12237,7 +12237,8 @@
             "STM32L496xG"
         ],
         "components_add": [
-            "QSPIF"
+            "QSPIF",
+            "FLASHIAP"
         ],
         "config": {
             "clock_source": {
@@ -14745,4 +14746,4 @@
         "version": "1",
         "public": false
     }
-}
+}