Changelog:
===========
Adds API support for waiting on network in an event driven manner (new API function lr_handle_network_wait)
OpenPGP API extension and fixes (new API functions lr_gpg_*)
Update license format to "LGPL-2.1-or-later"
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>