3) Doxygen comment cleanup.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7429 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Bus/Pci/UhciDxe/UhciReg.c

@@ -60,8 +60,6 @@ UhciReadReg (
   @param  Offset       Register offset to USB_BAR_INDEX.
   @param  Data         Data to write.
 
-  @return None.
-
 **/
 VOID
 UhciWriteReg (
@@ -94,8 +92,6 @@ UhciWriteReg (
   @param  Offset       Register offset to USB_BAR_INDEX.
   @param  Bit          The bit to set.
 
-  @return None.
-
 **/
 VOID
 UhciSetRegBit (
@@ -119,8 +115,6 @@ UhciSetRegBit (
   @param  Offset       Register offset to USB_BAR_INDEX.
   @param  Bit          The bit to clear.
 
-  @return None.
-
 **/
 VOID
 UhciClearRegBit (
@@ -143,8 +137,6 @@ UhciClearRegBit (
 
   @param  Uhc          The UHCI device.
 
-  @return None.
-
 **/
 VOID
 UhciAckAllInterrupt (
@@ -237,8 +229,6 @@ UhciIsHcWorking (
   @param  PciIo        The EFI_PCI_IO_PROTOCOL to use.
   @param  Addr         Address to set.
 
-  @return None.
-
 **/
 VOID
 UhciSetFrameListBaseAddr (
@@ -271,8 +261,6 @@ UhciSetFrameListBaseAddr (
 
   @param  PciIo        The EFI_PCI_IO_PROTOCOL protocol to use.
 
-  @return None.
-
 **/
 VOID
 UhciTurnOffUsbEmulation (