drm/amdgpu: Update NBIO headers to add TXCLK3/4

These are added for VG20, and are needed for PCIe bandwidth.

Signed-off-by: Kent Russell <kent.russell@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2 files changed