drm/amdgpu: update outdated comment for renamed amdgpu_fence_driver_init()
The function amdgpu_fence_driver_init() was renamed to
amdgpu_fence_driver_sw_init() by commit 067f44c8b459
("drm/amdgpu: avoid over-handle of fence driver fini in s3
test (v2)"). Update the stale reference in the
amdgpu_fence_driver_init_ring() kdoc.
Assisted-by: unnamed:deepseek-v3.2 coccinelle
Signed-off-by: Kexin Sun <kexinsun@smail.nju.edu.cn>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
authored by