The current setup-timezone sets up /etc/TZ which is uclibc specific. With the change to musl we need fix this to work with musl libc.

(from redmine: issue id 2867, created on 2014-04-23, closed on 2014-05-30)

• Changesets:
  • Revision 5690826e by Natanael Copa on 2014-04-23T09:34:02Z:

setup-timezone: use /usr/zoneinfo/localtime instead of /etc/TZ

musl uses /etc/zoneinfo/localtime

ref #927
fixes #2867