Adding PERFTAG_PXP in PERFTAG_CLASS_ENUM (#34)

Source/inc/umKmInc/UmKmDmaPerfTimer.h

diff --git a/Source/inc/umKmInc/UmKmDmaPerfTimer.h b/Source/inc/umKmInc/UmKmDmaPerfTimer.h
index e32bd0e..069fc31 100644
--- a/Source/inc/umKmInc/UmKmDmaPerfTimer.h
+++ b/Source/inc/umKmInc/UmKmDmaPerfTimer.h
@@ -90,7 +90,7 @@
     PERFTAG_CM                 = 0xA000,    // C for media
     PERFTAG_WIDI               = 0xB000,
     PERFTAG_OCL                = 0xC000,    // OpenCL
-    PERFTAG_RESERVED           = 0xD000,
+    PERFTAG_PXP                = 0xD000,    // PXP
     PERFTAG_DXVA11             = 0xE000,    // DX11 Video
     PERFTAG_FRAME_CAPTURE      = 0xF000,    // Gfx Frame Capture
     PERFTAG_FRAME_CAPTURE_NV12 = 0xF100,    // Gfx Frame Capture with NV12 output