drm/amdkfd: Fix instruction hazard in gfx12 trap handler

[ Upstream commit 424648c ]

VALU instructions with SGPR source need wait states to avoid hazard
with SALU using different SGPR.

v2: Eliminate some hazards to reduce code explosion

Signed-off-by: Jay Cornwall <[email protected]>
Reviewed-by: Lancelot Six <[email protected]>
Acked-by: Alex Deucher <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
(cherry picked from commit 7e0459d)
Cc: [email protected] # 6.12.x
Signed-off-by: Sasha Levin <[email protected]>

Author: jcornwallAMD