Mark DEPRECATED with an EXPIRATION_DATE of 2017-11-30 [1] since this
version of GCC has not been maintained upstream for nearly four-and-a-half
years and is not used anywhere in the tree.

Move ONLY_FOR_ARCHS to its appropriate place.

PR: 222373 [1]
Submitted by: Yasuhiro KIMURA <yasu@utahime.org> [1]