NuMaker bootloader with SD mode

Revision:
7:90af0e9f9fa4
Parent:
1:659cc7618f73
--- a/mbed_app.json	Thu Feb 25 10:17:10 2021 +0800
+++ b/mbed_app.json	Mon Mar 13 02:08:34 2023 +0000
@@ -51,6 +51,10 @@
             "sd_card_miso": "D12",
             "sd_card_sck":  "D13",
             "sd_card_cs":   "D10"
+        },
+        "NUMAKER_IOT_M467": {
+            "target.restrict_size": "0x40000",
+            "update_file": "\"mbed-os-example-bootloader-blinky_application.bin\""
         }
     }
 }