drm/amd/powerplay: update vega10_ppsmc.h

Signed-off-by: NEric Huang <JinHuiEric.Huang@amd.com>
Reviewed-by: NAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/powerplay/inc/vega10_ppsmc.h

@@ -124,7 +124,8 @@ typedef uint16_t PPSMC_Result;
 #define PPSMC_MSG_NumOfDisplays                  0x56
 #define PPSMC_MSG_ReadSerialNumTop32             0x58
 #define PPSMC_MSG_ReadSerialNumBottom32          0x59
-#define PPSMC_Message_Count                      0x5A
+#define PPSMC_MSG_GetCurrPkgPwr                  0x5C
+#define PPSMC_Message_Count                      0x5D
 
 
 typedef int PPSMC_Msg;