[beken-72xx] Re-enable OTA encryption

boards/_base/beken-72xx.json

@@ -3,8 +3,10 @@
 		"f_cpu": "120000000L",
 		"prefix": "arm-none-eabi-",
 		"bkota": {
-			"encryption": "none",
-			"compression": "gzip"
+			"encryption": "aes256",
+			"compression": "gzip",
+			"key": "0123456789ABCDEF0123456789ABCDEF",
+			"iv": "0123456789ABCDEF"
 		}
 	},
 	"connectivity": [

platform.py

@@ -17,7 +17,7 @@ from platformio.platform.base import PlatformBase
 from platformio.platform.board import PlatformBoardConfig
 from semantic_version import SimpleSpec, Version
 
-LTCHIPTOOL_VERSION = "^3.0.0"
+LTCHIPTOOL_VERSION = "^3.0.1"
 
 
 # Install & import tools