libbonobo.inc: add libbonobo-bin package by lib_package class

Fix QA issue:
...
|WARNING: libbonobo-2.32.1-r0 do_package_qa: QA Issue:
/usr/bin/bonobo-slay contained in package libbonobo requires
/usr/bin/perl, but no providers found in RDEPENDS_libbonobo? [file-rdeps]
...

Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>