Move LockKeyboards API from GenericBdsLib to PlatformBdsLib

And change PlatformBdsLockNonUpdatableFlash in PlatformBdsLib return type to VOID.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8866 6f19259b-4bc3-4df7-8a09-765794883524

IntelFrameworkModulePkg/Library/PlatformBdsLibNull/BdsPlatform.c

@@ -164,14 +164,33 @@ PlatformBdsNoConsoleAction (
 /**
   This function locks platform flash that is not allowed to be updated during normal boot path.
   The flash layout is platform specific.
-
-  @retval EFI_SUCCESS             The non-updatable flash areas.
 **/
-EFI_STATUS
+VOID
 EFIAPI
 PlatformBdsLockNonUpdatableFlash (
   VOID
   )
 {
-  return EFI_SUCCESS;
+  return ;
+}
+
+
+/**
+  Lock the ConsoleIn device in system table. All key
+  presses will be ignored until the Password is typed in. The only way to
+  disable the password is to type it in to a ConIn device.
+
+  @param  Password        Password used to lock ConIn device.
+
+  @retval EFI_SUCCESS     lock the Console In Spliter virtual handle successfully.
+  @retval EFI_UNSUPPORTED Password not found
+
+**/
+EFI_STATUS
+EFIAPI
+LockKeyboards (
+  IN  CHAR16    *Password
+  )
+{
+    return EFI_UNSUPPORTED;
 }