addr2line: Handle DW_AT_ranges in compile units

Based on original submission by Marat Radchenko in ELF Tool Chain
ticket #545, rebased and updated by Tiger Gao.

PR: 217736
Submitted by: Marat Radchenko <marat@slonopotamus.org>
Submitted by: Tiger Gao <tig@freebsdfoundation.org>
Reviewed by: markj
MFC after: 2 weeks
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D23501