Fix licenses on several libgcc files.

	* config/aarch64/sfp-machine.h, config/aarch64/sync-cache.c,
	* config/i386/cpuinfo.c, config/ia64/unwind-ia64.h,
	* config/mips/vr4120-div.S: Fix license from GPL-3.0+ to
	GPL-3.0-with-GCC-exception.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@201417 138bc75d-0d04-0410-961f-82ee72b054a4
Daily bump.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@201423 138bc75d-0d04-0410-961f-82ee72b054a4