Fix x11/Makefile.am license header

Signed-off-by: Austin Yuan <shengquan.yuan@gmail.com>

va/x11/Makefile.am

-# INTEL CONFIDENTIAL
-# Copyright 2007 Intel Corporation. All Rights Reserved.
+# Copyright (c) 2007 Intel Corporation. All Rights Reserved.
 #
-# The source code contained or described herein and all documents related to
-# the source code ("Material") are owned by Intel Corporation or its suppliers
-# or licensors. Title to the Material remains with Intel Corporation or its
-# suppliers and licensors. The Material may contain trade secrets and
-# proprietary and confidential information of Intel Corporation and its
-# suppliers and licensors, and is protected by worldwide copyright and trade
-# secret laws and treaty provisions. No part of the Material may be used,
-# copied, reproduced, modified, published, uploaded, posted, transmitted,
-# distributed, or disclosed in any way without Intel's prior express written
-# permission. 
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sub license, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
 # 
-# No license under any patent, copyright, trade secret or other intellectual
-# property right is granted to or conferred upon you by disclosure or delivery
-# of the Materials, either expressly, by implication, inducement, estoppel or
-# otherwise. Any license under such intellectual property rights must be
-# express and approved by Intel in writing.
+# The above copyright notice and this permission notice (including the
+# next paragraph) shall be included in all copies or substantial portions
+# of the Software.
+# 
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+# IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
+# ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 AM_CFLAGS = -DLINUX -I$(top_srcdir)/va $(DRM_CFLAGS)