Fixed typo

CMSIS/Utilities/PACK.xsd

@@ -129,7 +129,7 @@
       <xs:enumeration value="EnOcean:91" />
       <xs:enumeration value="Evatronix:64" />
       <xs:enumeration value="Generic:5" />
-      <xs:enumeration value="Generalpus:151" />
+      <xs:enumeration value="Generalplus:151" />
       <xs:enumeration value="GigaDevice:123" />
       <xs:enumeration value="HDSC:145" />
       <xs:enumeration value="Hilscher:88" />