eglibc: remove dependency of eglibc-utils on bash

eglibc: remove dependency of eglibc-utils on bash

Adapt a patch from Peter Seebach <peter.seebach@windriver.com> to remove
the non-POSIX elements from the tzselect script, and add a separate
patch to work around a bug in the current version of busybox's awk
command. This replaces the /bin/bash reference in the script header with
/bin/sh and thus eliminates the dependency on bash picked up during
packaging.

Fixes [YOCTO #3551].

(From OE-Core rev: fe19d0e01cb1563cf4735ef250f80af20059103b)

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>