devtool: deploy-target: Support stripped libs and execs
New devtool deploy-target option --strip which enables deploying
stripped binaries, saving some space on target.
* Copies the files of ${D} into a new directory and strips them in place
* Used oe.package.strip_execs for stripping directory
* Added devtool.conf option "strip" for changing default behavior
Config example:
[Deploy]
strip = true
[YOCTO #11227]
Signed-off-by: Tobias Hagelborn <tobiasha@axis.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
