drm/amdgpu: Remove wrapper layer of smu ip functions

1. delete amdgpu_powerplay.c used for wrapping smu ip functions
2. delete struct pp_instance,
3. make struct hwmgr as the smu hw handle.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/cik_dpm.h b/drivers/gpu/drm/amd/amdgpu/cik_dpm.h
index c7b4349..2a08661 100644
--- a/drivers/gpu/drm/amd/amdgpu/cik_dpm.h
+++ b/drivers/gpu/drm/amd/amdgpu/cik_dpm.h
@@ -24,8 +24,7 @@
 #ifndef __CIK_DPM_H__
 #define __CIK_DPM_H__
 
-extern const struct amd_ip_funcs ci_dpm_ip_funcs;
-extern const struct amd_ip_funcs kv_dpm_ip_funcs;
-extern const struct amd_pm_funcs ci_dpm_funcs;
-extern const struct amd_pm_funcs kv_dpm_funcs;
+extern const struct amdgpu_ip_block_version ci_smu_ip_block;
+extern const struct amdgpu_ip_block_version kv_smu_ip_block;
+
 #endif