drm/amdgpu: update retry times for psp BL wait

[ Upstream commit d8c1925b

 ]

Increase retry time for PSP BL wait, to compensate
for longer time to set c2pmsg 35 ready bit during
mode1 with RAS

Signed-off-by: Asad Kamal <asad.kamal@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Stable-dep-of: 6fce23a4

 ("drm/amdgpu: Restrict extended wait to PSP v13.0.6")
Signed-off-by: Sasha Levin <sashal@kernel.org>