add libc-mtrace as dependency for task-core-tools-debug
now eglibc-mtrace gets included in an sdk image and not in a non-sdk image.
This does not affect builds with uclibc.
This fixes bug: [YOCTO# 2374]
(From OE-Core rev: a2ad2870a54108027ed33e977470f5f72e0bce1b)
Signed-off-by: Nitin A Kamble <nitin.a.kamble@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>