drm/amdgpu/swsmu: clean up unused header in swsmu

clean up unused header in swsmu driver stack:
1. pp_debug.h
2. amd_pcie.h
3. soc15_common.h
Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/powerplay/amdgpu_smu.c

@@ -23,15 +23,12 @@
 #include <linux/firmware.h>
 #include <linux/pci.h>
 
-#include "pp_debug.h"
 #include "amdgpu.h"
 #include "amdgpu_smu.h"
 #include "smu_internal.h"
-#include "soc15_common.h"
 #include "smu_v11_0.h"
 #include "smu_v12_0.h"
 #include "atom.h"
-#include "amd_pcie.h"
 #include "vega20_ppt.h"
 #include "arcturus_ppt.h"
 #include "navi10_ppt.h"

drivers/gpu/drm/amd/powerplay/arcturus_ppt.c

@@ -21,7 +21,6 @@
  *
  */
 
-#include "pp_debug.h"
 #include <linux/firmware.h>
 #include "amdgpu.h"
 #include "amdgpu_smu.h"

drivers/gpu/drm/amd/powerplay/navi10_ppt.c

@@ -21,7 +21,6 @@
  *
  */
 
-#include "pp_debug.h"
 #include <linux/firmware.h>
 #include <linux/pci.h>
 #include "amdgpu.h"
@@ -31,7 +30,6 @@
 #include "amdgpu_atomfirmware.h"
 #include "smu_v11_0.h"
 #include "smu11_driver_if_navi10.h"
-#include "soc15_common.h"
 #include "atom.h"
 #include "navi10_ppt.h"
 #include "smu_v11_0_pptable.h"

drivers/gpu/drm/amd/powerplay/renoir_ppt.c

@@ -24,7 +24,6 @@
 #include "amdgpu.h"
 #include "amdgpu_smu.h"
 #include "smu_internal.h"
-#include "soc15_common.h"
 #include "smu_v12_0_ppsmc.h"
 #include "smu12_driver_if.h"
 #include "smu_v12_0.h"

drivers/gpu/drm/amd/powerplay/smu_v11_0.c

@@ -26,7 +26,6 @@
 
 #define SMU_11_0_PARTIAL_PPTABLE
 
-#include "pp_debug.h"
 #include "amdgpu.h"
 #include "amdgpu_smu.h"
 #include "smu_internal.h"

drivers/gpu/drm/amd/powerplay/smu_v12_0.c

@@ -20,7 +20,6 @@
  * OTHER DEALINGS IN THE SOFTWARE.
  */
 
-#include "pp_debug.h"
 #include <linux/firmware.h>
 #include "amdgpu.h"
 #include "amdgpu_smu.h"

drivers/gpu/drm/amd/powerplay/vega20_ppt.c

@@ -21,7 +21,6 @@
  *
  */
 
-#include "pp_debug.h"
 #include <linux/firmware.h>
 #include "amdgpu.h"
 #include "amdgpu_smu.h"