Fix cmrt build if libva installed at custom location

This fix also removes cmrt dependency from libva-x11 which it actually
does not have.

Fixes #63

Change-Id: I85ea2f5b2f330bc1bae77f15e2a32b9a8e4adf9d
Signed-off-by: Dmitry Rogozhkin <dmitry.v.rogozhkin@intel.com>

cmrtlib/linux/CMakeLists.txt

@@ -64,19 +64,12 @@ else()
     if(NOT LIBVA_FOUND)
         pkg_check_modules(LIBVA REQUIRED libva>=1.0.0)
     endif()
-    if(NOT LIBVA_X11_FOUND)
-        pkg_check_modules(LIBVA_X11 REQUIRED libva-x11>=1.0.0)
-    endif()
-    if(LIBVA_FOUND AND LIBVA_X11_FOUND)
+    if(LIBVA_FOUND)
         include_directories(BEFORE ${LIBVA_INCLUDE_DIRS})
-        include_directories(BEFORE ${LIBVA_X11_INCLUDE_DIRS})
+        link_directories(${LIBVA_LIBRARY_DIRS})
     endif()
 endif()
 
-
-include_directories(${MDF_OPTION__LIBVA_INCLUDE_DIR})
-link_directories(${MDF_OPTION__LIBVA_LIB_DIR})
-
 # Set up the source files
 set(CMRT_SOURCES "")
 set(CMRT_DEFINES "")