drm/amdkfd: Update SMI events for GFX9.4.3

On GFX 9.4.3, there can be multiple KFD nodes. As a result,
SMI events for SVM, queue evict/restore should be raised for
each node independently.

Signed-off-by: Mukul Joshi <mukul.joshi@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>