Log Message:
Update to 2.26

Changelog:
Changes in 2.26:

* Add option to objcopy to insert new symbols into a file:
  --add-symbol <name>=[<section>:]<value>[,<flags>]

* Add support for the ARC EM/HS, and ARC600/700 architectures.

* Extend objcopy --compress-debug-sections option to support
  --compress-debug-sections=[none|zlib|zlib-gnu|zlib-gabi] for ELF
  targets.

* Add --update-section option to objcopy.

* Add --output-separator option to strings.