Added Unisoc:152

CMSIS/Utilities/PACK.xsd

@@ -176,6 +176,7 @@
       <xs:enumeration value="Texas Instruments:16" />
       <xs:enumeration value="Toshiba:92" />
       <xs:enumeration value="Triad Semiconductor:104" />
+      <xs:enumeration value="Unisoc:152" />
       <xs:enumeration value="Vorago:137" />
       <xs:enumeration value="WIZnet:122" />
       <xs:enumeration value="Xinnova:135" />