[CPUFREQ] Inform user about broken powernow-k7 PST tables.

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

 /*
  *  AMD K7 Powernow driver.
  *  (C) 2003 Dave Jones <davej@codemonkey.org.uk> on behalf of SuSE Labs.
+ *  (C) 2003 Dave Jones <davej@redhat.com>
  *
  *  Licensed under the terms of the GNU GPL License version 2.
  *  Based upon datasheets & sample CPUs kindly provided by AMD.
@@ -325,6 +326,8 @@ static int powernow_decode_bios (int maxfid, int startvid)
 						p+=2;
 				}
 			}
+			printk (KERN_INFO PFX "No PST tables match this cpuid (0x%x)\n", etuple);
+			printk ("This is indicative of a broken BIOS. Email davej@redhat.com\n");
 			return -EINVAL;
 		}
 		p++;