Added Megawin
diff --git a/CMSIS/Utilities/PACK.xsd b/CMSIS/Utilities/PACK.xsd
index a57c711..b276f91 100644
--- a/CMSIS/Utilities/PACK.xsd
+++ b/CMSIS/Utilities/PACK.xsd
@@ -137,6 +137,7 @@
       <xs:enumeration value="Maxim:23"/>
       <xs:enumeration value="MediaTek:129"/>
       <xs:enumeration value="MegaChips:128"/>
+      <xs:enumeration value="Megawin:70"/>
       <xs:enumeration value="Mentor Graphics Co.:24"/>
       <xs:enumeration value="Microchip:3"/>
       <xs:enumeration value="Micronas:30"/>