drm/amd/amdgpu: Fix style problems in amdgpu_psp.c

[ Upstream commit f14c8c3e ]

Fix the following checkpatch warnings & error in amdgpu_psp.c

WARNING: Comparisons should place the constant on the right side of the test
WARNING: braces {} are not necessary for single statement blocks
WARNING: please, no space before tabs
WARNING: braces {} are not necessary for single statement blocks
ERROR: that open brace { should be on the previous line

Suggested-by: Christian König <christian.koenig@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Stable-dep-of: 467e00b3 ("drm/amd/amdgpu: Fix missing error return on kzalloc failure")
Signed-off-by: Sasha Levin <sashal@kernel.org>