intel/genxml: Adjust length of 2 depth instructions for gfx12.5
1 dword is added to 3DSTATE_WM_HZ_OP, and 2 dwords are added to 3DSTATE_DEPTH_BUFFER.
Cc: @nchery
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1 dword is added to 3DSTATE_WM_HZ_OP, and 2 dwords are added to 3DSTATE_DEPTH_BUFFER.
Cc: @nchery