Add more SPDX-License-Identifier tags

In a number of places we had wordings of the GPL (or LGPL in a few
cases) license text that were split in such a way that it wasn't caught
previously.  Convert all of these to the correct SPDX-License-Identifier
tag.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/drivers/usb/musb-new/musb_dsps.c b/drivers/usb/musb-new/musb_dsps.c
index 8959397..bb7c952 100644
--- a/drivers/usb/musb-new/musb_dsps.c
+++ b/drivers/usb/musb-new/musb_dsps.c
@@ -7,21 +7,7 @@
  *
  * This file is part of the Inventra Controller Driver for Linux.
  *
- * The Inventra Controller Driver for Linux is free software; you
- * can redistribute it and/or modify it under the terms of the GNU
- * General Public License version 2 as published by the Free Software
- * Foundation.
- *
- * The Inventra Controller Driver for Linux is distributed in
- * the hope that it will be useful, but WITHOUT ANY WARRANTY;
- * without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
- * License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with The Inventra Controller Driver for Linux ; if not,
- * write to the Free Software Foundation, Inc., 59 Temple Place,
- * Suite 330, Boston, MA  02111-1307  USA
+ * SPDX-License-Identifier:	GPL-2.0
  *
  * musb_dsps.c will be a common file for all the TI DSPS platforms
  * such as dm64x, dm36x, dm35x, da8x, am35x and ti81x.