drm/radeon: fix typo in atom voltage table handling (si+)

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 5c8dbb3..e361446 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -3168,7 +3168,7 @@
 			switch (crev) {
 			case 1:
 				num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
-					sizeof(ATOM_VOLTAGE_OBJECT_INFO_V3_1);
+					sizeof(ATOM_VOLTAGE_OBJECT_V3);
 
 				for (i = 0; i < num_indices; i++) {
 					if ((voltage_info->v3.asVoltageObj[i].asGpioVoltageObj.sHeader.ucVoltageType ==
@@ -3439,7 +3439,7 @@
 			switch (crev) {
 			case 1:
 				num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
-					sizeof(ATOM_VOLTAGE_OBJECT_INFO_V3_1);
+					sizeof(ATOM_VOLTAGE_OBJECT_V3);
 
 				for (i = 0; i < num_indices; i++) {
 					if ((voltage_info->v3.asVoltageObj[i].asGpioVoltageObj.sHeader.ucVoltageType ==