drm/amdgpu/mes: use correct MES pipe for resets

Use the KIQ pipe for kernel queues and the SCHED pipe for
user queues.

Fixes: 2408b027 ("drm/amdgpu/mes: consolidate on a single mes reset callback")
Cc: Michael Chen <Michael.Chen@amd.com>
Cc: Shaoyun Liu <Shaoyun.Liu@amd.com>
Reviewed-by: Michael Chen <michael.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>