intel_gtt: Fix PTE offsets
intel_gtt: Fix PTE offsets

Vincent sent me a patch which I think didn't go far enough.

Honestly, I don't even know what this tool does.

Reported-by: Cheah, Vincent Beng Keat <cc8b4cbd263f877e452592c61c5da8d51481104c@intel.com>
Signed-off-by: Ben Widawsky <73675debcd8a436be48ec22211dcf44fe0df0a64@bwidawsk.net>

tiagovignatti/intel-gpu-tools,chenxianqin/intel-gpu-tools,rib/intel-gpu-tools,tiagovignatti/intel-gpu-tools,tiagovignatti/intel-gpu-tools,ChrisCummins/intel-gpu-tools,mv0/intel-gpu-tools,mv0/intel-gpu-tools,ChrisCummins/intel-gpu-tools,erikarn/intel-gpu-tools,dlespiau/checkmate-test-igt,rib/intel-gpu-tools,rib/intel-gpu-tools,chenxianqin/intel-gpu-tools,dlespiau/checkmate-test-igt,mv0/intel-gpu-tools,chenxianqin/intel-gpu-tools,erikarn/intel-gpu-tools,tiagovignatti/intel-gpu-tools,yipdw/intel-gpu-tools,ChrisCummins/intel-gpu-tools,erikarn/intel-gpu-tools,yipdw/intel-gpu-tools,yipdw/intel-gpu-tools,rib/intel-gpu-tools,dlespiau/checkmate-test-igt,mv0/intel-gpu-tools,ChrisCummins/intel-gpu-tools,chenxianqin/intel-gpu-tools,erikarn/intel-gpu-tools,yipdw/intel-gpu-tools,dlespiau/checkmate-test-igt