drm/amdgpu: Move reset sem into reset_domain
We want single instance of reset sem across all reset clients because in case of XGMI we should stop access cross device MMIO because any of them could be in a reset in the moment. Signed-off-by: NAndrey Grodzovsky <andrey.grodzovsky@amd.com> Reviewed-by: NChristian König <christian.koenig@amd.com> Link: https://www.spinics.net/lists/amd-gfx/msg74117.html
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