UPSTREAM: modules: rename the licence field in struct symsearch to license

Use the same spelling variant as the rest of the file.

Bug: 157965270
Bug: 171277690
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jessica Yu <jeyu@kernel.org>
(cherry picked from commit cd8732cdcc37d7077c4fa2c966b748c0662b607e)
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I0ad6d1dcbe39053566bb922b9a71359f753df85c