elfutils: upgrade to 0.160

elfutils: upgrade to 0.160

- Upgrade elfutils to 0.160

- Move 0.148 patches from elfutils to elfutils-0.148

- Drop 0.158 patches that got from debain, so far debian
  doesn't provide patches for 0.160 (the latest is 0.159)

- Move fixheadercheck.patch from 0.159 to 0.160

- We choose to use 0.159 patches from debian for the current 0.160
  which located in elfutils-0.160
  1) Rebase the following patches from 0.159 to 0.160
     hppa_backend.diff
     arm_backend.diff
     mips_backend.diff
     m68k_backend.diff
     arm_func_value.patch
     arm_unwind_ret_mask.patch

  2) Rebase redhat-portability.diff according to
     commit 52a6d20519870103134166d91e22d21fd736195d
     Author: Roxana Ciobanu <roxana.ciobanu@intel.com>
     Date:   Tue Jul 1 17:17:00 2014 +0300
       elfutils/elfutils-native: Fix patching generated files

  3) Drop the following patches which have already beem merged to 0.160
     arm_unsupported.patch
     arm_syscall.patch
     unaligned.patch
     aarch64-run-native-test-fix.patch

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