[PATCH 02/10] mISDN: Replace GPL notice boilerplate with SPDX identifier

[Simon Horman]

On Thu, May 11, 2023 at 08:33:58PM +0700, Bagas Sanjaya wrote:
> Replace unversioned GPL notice boilerplate on dsp_* with SPDX identifier
> for GPL 1.0+. These files missed previous SPDX conversion batches
> due to not specifying GPL version.

Reviewed-by: Simon Horman <simon.horman at corigine.com>