Update parameter type (#8490)

Author: gewarren

xml/System.Runtime.Intrinsics/Vector128.xml

@@ -189,7 +189,7 @@
         </TypeParameter>
       </TypeParameters>
       <Parameters>
-        <Parameter Name="vector" Type="System.Runtime.Intrinsics.Vector128&lt;T&gt;" RefType="this" />
+        <Parameter Name="vector" Type="System.Runtime.Intrinsics.Vector128&lt;TFrom&gt;" RefType="this" />
       </Parameters>
       <Docs>
         <typeparam name="T">The type of the input vector.</typeparam>

xml/System.Runtime.Intrinsics/Vector256.xml

@@ -190,7 +190,7 @@
         </TypeParameter>
       </TypeParameters>
       <Parameters>
-        <Parameter Name="vector" Type="System.Runtime.Intrinsics.Vector256&lt;T&gt;" RefType="this" />
+        <Parameter Name="vector" Type="System.Runtime.Intrinsics.Vector256&lt;TFrom&gt;" RefType="this" />
       </Parameters>
       <Docs>
         <typeparam name="T">The type of the input vector.</typeparam>

xml/System.Runtime.Intrinsics/Vector64.xml

@@ -190,7 +190,7 @@
         </TypeParameter>
       </TypeParameters>
       <Parameters>
-        <Parameter Name="vector" Type="System.Runtime.Intrinsics.Vector64&lt;T&gt;" RefType="this" />
+        <Parameter Name="vector" Type="System.Runtime.Intrinsics.Vector64&lt;TFrom&gt;" RefType="this" />
       </Parameters>
       <Docs>
         <typeparam name="T">The type of the input vector.</typeparam>