drm/amd/pm: Clean up errors in smu_v13_0_6_ppt.c

Fix the following errors reported by checkpatch:

ERROR: code indent should use tabs where possible
ERROR: that open brace { should be on the previous line
Signed-off-by: Ran Sun <sunran001@208suo.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c

@@ -1338,8 +1338,7 @@ static int smu_v13_0_6_set_irq_state(struct amdgpu_device *adev,
 	return 0;
 }
 
-static const struct amdgpu_irq_src_funcs smu_v13_0_6_irq_funcs =
-{
+static const struct amdgpu_irq_src_funcs smu_v13_0_6_irq_funcs = {
 	.set = smu_v13_0_6_set_irq_state,
 	.process = smu_v13_0_6_irq_process,
 };