drm/amdgpu: fix uninitialized variable warning for sdma_v7

Clear warning that using uninitialized variable index.

Signed-off-by: Tim Huang <Tim.Huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Tim Huang 2024-05-06 11:01:15 +08:00 • committed by Alex Deucher
commit 3aa6b72045