drm/amdgpu/nbio7.11: fix IP version check

Use the helper function rather than reading it directly.

Reviewed-by: Yang Wang <kevinyang.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2024-12-12 17:00:07 -05:00
commit 2c8eeaaa0f