Merge pull request #9 from sheltonyu/master

update at32 packs

pyocd.yaml

@@ -80,4 +80,5 @@ pack:
   - ./packs/NXP.MKL82Z7_DFP.11.0.1-small.pack
   - ./packs/NXP.MKV10Z1287_DFP.12.1.0-small.pack
   - ./packs/Samsung.S5JS100.1.1.3-small.pack
-  - ./packs/Keil.AT32F4xx_DFP.1.3.2.pack
+  - ./packs/ArteryTek.AT32F403A_407_DFP.2.0.8.pack
+  - ./packs/ArteryTek.AT32F435_437_DFP.2.0.8.pack