Adding the dbg package allows the package bbclass to parse the
debug information which can then be used by the create_spdx bbclass
(From OE-Core rev: b35b68e4ec4a82ada20ab861d29f96cdcb21dec2)
Signed-off-by: Saul Wold <saul.wold@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>