mei: hdcp: SPDX tag should be the first line

checkpatch looks for the tag on the first line.
So delete empty first line

Signed-off-by: Tom Rix <trix@redhat.com>
Link: https://lore.kernel.org/r/20210610214438.3161140-4-trix@redhat.com


Acked-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>