HEVC enc:Added 4K&2K support; Added Profile&Level 5.1 above
HEVC enc:Added 4K&2K support; Added Profile&Level 5.1 above

Signed-off-by: Qu,Pengfei <3770d20c463a9a2048391f18839a717424bdb1b3@intel.com>

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