sys_usbd: enable windows hotplug

buildfiles/msvc/common_default.props

@@ -3,6 +3,9 @@
 <!-- Common default props for defining properties without macros. Import right before Microsoft.Cpp.Default.props -->
   <ImportGroup Label="PropertySheets" />
   <PropertyGroup Label="UserMacros" />
+  <PropertyGroup>
+    <EnableLibUsbWindowsHotplug>true</EnableLibUsbWindowsHotplug>
+  </PropertyGroup>
   <PropertyGroup Label="Globals">
     <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
   </PropertyGroup>

buildfiles/msvc/rpcs3_release.props

@@ -2,7 +2,6 @@
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ImportGroup Label="PropertySheets" />
   <PropertyGroup Label="UserMacros" />
-  <PropertyGroup />
   <ItemDefinitionGroup>
     <ClCompile>
       <Optimization>Full</Optimization>