drm/amdgpu/swsmu: update driver if version for dimgrey_cavefish

Update driver if version from 0x5 to 0x6 for dimgrey_cavefish, per PMFW 59.04.0.
Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/pm/inc/smu_v11_0.h

@@ -33,7 +33,7 @@
 #define SMU11_DRIVER_IF_VERSION_Sienna_Cichlid 0x39
 #define SMU11_DRIVER_IF_VERSION_Navy_Flounder 0x5
 #define SMU11_DRIVER_IF_VERSION_VANGOGH 0x01
-#define SMU11_DRIVER_IF_VERSION_Dimgrey_Cavefish 0x5
+#define SMU11_DRIVER_IF_VERSION_Dimgrey_Cavefish 0x6
 
 /* MP Apertures */
 #define MP0_Public			0x03800000