devtool: ide-sdk: move code to ide_none

devtool: ide-sdk: move code to ide_none

Move code which is used by the ide_none plugin from the base class
to the ide_none plugin. This is just a refactoring, no functional
change.

Signed-off-by: Adrian Freihofer <adrian.freihofer@siemens.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>