driver-i386.c (detect_caches_cpuid2): Use array of registers instead of eax, ebx...

driver-i386.c (detect_caches_cpuid2): Use array of registers instead of eax, ebx, ecx and edx.

	* config/i386/driver-i386.c (detect_caches_cpuid2): Use array
	of registers instead of eax, ebx, ecx and edx.  Use for loop
	and check register for non-zero value before the call
	to decode_caches_intel.

From-SVN: r141075