Commit
c5e1f2c127a2058b496c4a09519fa20298ba7f50
by Oliver Smithm4/ax_boost_base.m4: Fix debian multiarch_libsubdir path for armv8l
Similar to previous patch 6b18a317 ("m4/ax_boost_base.m4: Fix debian
multiarch_libsubdir path for arch armv7l"), add armv8l to fix the path
detection there.
Related: OS#5873
Change-Id: I40d8830f22a130c84b6381ea844b75d638f1c279