This patch corrects the SPDX License Identifier style in
header files related to Renesas USBHS Controller Drivers.
For C header files Documentation/process/license-rules.rst
mandates C-like comments (opposed to C source files where
C++ style should be used).
Changes made by using a script provided by Joe Perches here:
https://lkml.org/lkml/2019/2/7/46.
Suggested-by: Joe Perches
Signed-off-by: Nishad Kamdar
Reviewed-by: Yoshihiro Shimoda
Link: https://lore.kernel.org/r/20200419125705.GA5172@nishad
Signed-off-by: Greg Kroah-Hartman