[legal] Relicense files under GPL2_OR_LATER_OR_UBDL

Relicence files with kind permission from the following contributors:

  Alex Williamson <alex.williamson@redhat.com>
  Eduardo Habkost <ehabkost@redhat.com>
  Greg Jednaszewski <jednaszewski@gmail.com>
  H. Peter Anvin <hpa@zytor.com>
  Marin Hannache <git@mareo.fr>
  Robin Smidsrød <robin@smidsrod.no>
  Shao Miller <sha0.miller@gmail.com>
  Thomas Horsten <thomas@horsten.com>

Signed-off-by: Michael Brown <mcb30@ipxe.org>

src/include/ipxe/mount.h

@@ -9,7 +9,7 @@
  *
  */
 
-FILE_LICENCE ( GPL2_OR_LATER );
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
 
 /** NFS MOUNT protocol number */
 #define ONCRPC_MOUNT 100005

src/include/ipxe/nfs.h

@@ -10,7 +10,7 @@
  *
  */
 
-FILE_LICENCE ( GPL2_OR_LATER );
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
 
 /** NFS protocol number */
 #define ONCRPC_NFS 100003

src/include/ipxe/nfs_open.h

@@ -7,6 +7,6 @@
  *
  */
 
-FILE_LICENCE ( GPL2_OR_LATER );
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
 
 #endif /* _IPXE_NFS_OPEN_H */

src/include/ipxe/nfs_uri.h

@@ -7,7 +7,7 @@
  *
  */
 
-FILE_LICENCE ( GPL2_OR_LATER );
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
 
 #include <ipxe/uri.h>
 

src/include/ipxe/oncrpc.h

@@ -11,7 +11,7 @@
  *
  */
 
-FILE_LICENCE ( GPL2_OR_LATER );
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
 
 /** ONC RCP Version */
 #define ONCRPC_VERS 2

src/include/ipxe/oncrpc_iob.h

@@ -13,7 +13,7 @@
  *
  */
 
-FILE_LICENCE ( GPL2_OR_LATER );
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
 
 /**
  * Add a string to the end of an I/O buffer

src/include/ipxe/portmap.h

@@ -10,7 +10,7 @@
  *
  */
 
-FILE_LICENCE ( GPL2_OR_LATER );
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
 
 /** PORTMAP default port */
 #define PORTMAP_PORT   111

src/include/ipxe/reboot.h

@@ -7,7 +7,7 @@
  *
  */
 
-FILE_LICENCE ( GPL2_OR_LATER );
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
 
 #include <ipxe/api.h>
 #include <config/reboot.h>