opkg: Trim the text part used for the license file checksum
This avoids including irrelevant information when calculating the
license checksum.
License-Update: Trim the text part used for the license file checksum Signed-off-by: Peter Kjellerstedt <peter.kjellerstedt@axis.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org> Signed-off-by: Anuj Mittal <anuj.mittal@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
