Add FLASHIAP to GR-PEACH component

Author: d-kato

targets/targets.json

@@ -5826,7 +5826,7 @@
         "inherits": ["RZ_A1XX"],
         "supported_form_factors": ["ARDUINO"],
         "extra_labels_add": ["RZA1H", "MBRZA1H", "RZ_A1_EMAC"],
-        "components_add": ["SD"],
+        "components_add": ["SD", "FLASHIAP"],
         "device_has_add": ["USBDEVICE", "EMAC", "FLASH", "LPTICKER"],
         "release_versions": ["2", "5"],
         "device_name": "R7S72100",