re PR ada/54040 ([x32] Incorrect timeval and timespec)

	PR ada/54040
	PR ada/59346
	* s-osinte-x32.adb: New file.
	* s-linux.ads (Time): New section.
	* s-linux-alpha.ads (Time): Likewise.
	* s-linux-android.ads (Time: Likewise.
	* s-linux-hppa.ads (Time): Likewise.
	* s-linux-mipsel.ads (Time): Likewise.
	* s-linux-sparc.ads (Time): Likewise.
	* s-linux-x32.ads (Time): Likewise.
	* s-osprim-x32.ads (timespec): Adjust.
	* s-osinte-linux.ads (Time): Define local subtypes for those defined
	in System.Linux.
	* s-taprop-linux.adb (Monotonic_Clock): Do not define timeval.
	* s-osinte-hpux.ads (timespec): Revert POSIX breakage.
	* s-osinte-kfreebsd-gnu.ads (timespec): Likewise.
	* s-osinte-solaris-posix.ads (timespec): Likewise.
	* s-osinte-posix.adb (To_Timespec): Likewise.
	* gcc-interface/Makefile.in (x32/Linux): Use s-osinte-x32.adb.

From-SVN: r209244