Expand the upper limit of processor number

Increase the maximum processor number specified by -p option from 255 to 65535.
Nowadays there exist boxes that have over 256 processors.

Signed-off-by: Seiichi Ikarashi <s.ikarashi@jp.fujitsu.com>

rdmsr.c

@@ -168,7 +168,7 @@ int main(int argc, char *argv[])
 			break;
 		case 'p':
 			arg = strtoul(optarg, &endarg, 0);
-			if (*endarg || arg > 255) {
+			if (*endarg || arg > 65535) {
 				usage();
 				exit(127);
 			}