apr: 1.6.2 -> 1.6.3

apr: 1.6.2 -> 1.6.3

1. Improve inappropriate patches:
- Drop inappropriate configure_fixes.patch
  Use setting variable ac_cv_file__dev_zero and
  ac_cv_sizeof_struct_iovec to replace

- Drop cleanup.patch
  Aassign variable libtool at ./buildconf executing and
  use 0001-build-buildcheck.sh-improve-libtool-detection.patch
  to replace. Submitted it to upstream.

- Rename configfix.patch to
  0002-apr-Remove-workdir-path-references-from-installed-ap.patch
  Add its original comments and author, explain why it is inappropriate

- Drop upgrade-and-fix-1.5.1.patch
  Use 0003-Makefile.in-configure.in-support-cross-compiling.patch
  to replace. And submitted it to upstream.

2. Fix build path issue to improve reproducibility

Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>