[CPUFREQ] Disambiguate loop indexes in powernow-k7

This shouldn't have actually caused any problems
(as we return if we 'corrupt' 'i', but it's still not
very pretty.  For the sake of adding another local variable,
this got cleaner.
Signed-off-by: NDave Jones <davej@redhat.com>

arch/i386/kernel/cpu/cpufreq/powernow-k7.c

@@ -452,23 +452,23 @@ static int powernow_decode_bios (int maxfid, int startvid)
 
 			pst = (struct pst_s *) p;
 
-			for (i = 0 ; i <psb->numpst; i++) {
+			for (j=0; j<psb->numpst; j++) {
 				pst = (struct pst_s *) p;
 				number_scales = pst->numpstates;
 
 				if ((etuple == pst->cpuid) && check_fsb(pst->fsbspeed) &&
 				    (maxfid==pst->maxfid) && (startvid==pst->startvid))
 				{
-					dprintk ("PST:%d (@%p)\n", i, pst);
+					dprintk ("PST:%d (@%p)\n", j, pst);
 					dprintk (" cpuid: 0x%x  fsb: %d  maxFID: 0x%x  startvid: 0x%x\n",
 						 pst->cpuid, pst->fsbspeed, pst->maxfid, pst->startvid);
 
 					ret = get_ranges ((char *) pst + sizeof (struct pst_s));
 					return ret;
-
 				} else {
+					unsigned int k;
 					p = (char *) pst + sizeof (struct pst_s);
-					for (j=0 ; j < number_scales; j++)
+					for (k=0; k<number_scales; k++)
 						p+=2;
 				}
 			}