add gpu voltage request

Source/hoc-clk/common/include/hocclk/ipc.h

@@ -12,9 +12,9 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- * 
+ *
  */
- 
+
 /* --------------------------------------------------------------------------
  * "THE BEER-WARE LICENSE" (Revision 42):
  * <p-sam@d3vs.net>, <natinusala@gmail.com>, <m4x@m4xw.net>
@@ -50,9 +50,9 @@ enum HocClkIpcCmd
     HocClkIpcCmd_GetFreqList = 11,
     HocClkIpcCmd_SetKipData = 12,
     HocClkIpcCmd_GetKipData = 13,
+    HocClkIpcCmd_RequestGpuVoltage = 14,
 };
 
-
 typedef struct
 {
     uint64_t tid;