Adding option to be able to import debugsources.zstd directly.
The linux-yocto-debugsources.zstd is generated in every build and
does not require any additional configuration.
In contrast, SPDX_INCLUDE_COMPILED_SOURCES needs to be explicitly
added and increases build time.
(From OE-Core rev: c84a8958f30bbb982656ddcbe7476f6f81e1a6fb)
Signed-off-by: Daniel Turull <daniel.turull@ericsson.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>