Fix the broken attribute setting of i965_GetConfigAttrib
Fix the broken attribute setting of i965_GetConfigAttrib

Now the some attributes are incorrectly reported. It is not supported while
VA_ATTRIB_NOT_SUPPORTED flag is not returned.

Signed-off-by: Zhao Yakui <21bae65ecea50a19bd9d0fef489914760189fd5b@intel.com>
Reviewed-by: Xiang Haihao <8d677183e5993577d4fa73a419b76987913292d6@intel.com>
(cherry picked from commit dd23d450f5b2b70c36a0053a0892c0ff1e32e8cf)

gbeauchesne/libva-intel-driver,01org/iotg-lin-gfx-va-driver,gbeauchesne/libva-intel-driver,uartie/vaapi-intel-driver,chenxianqin/vaapi-intel-driver,uartie/vaapi-intel-driver,gbeauchesne/libva-intel-driver,uartie/vaapi-intel-driver,01org/iotg-lin-gfx-va-driver,01org/iotg-lin-gfx-va-driver,gbeauchesne/libva-intel-driver,chenxianqin/vaapi-intel-driver,gbeauchesne/libva-intel-driver,01org/iotg-lin-gfx-va-driver,chenxianqin/vaapi-intel-driver,uartie/vaapi-intel-driver,01org/iotg-lin-gfx-va-driver,chenxianqin/vaapi-intel-driver,uartie/vaapi-intel-driver,chenxianqin/vaapi-intel-driver