Clarify AMD error message

The AMD supported message is confusing for some people.  Add a bit more
detail and be clear that mcelog does not support the processor.

Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>

mcelog.c

@@ -521,7 +521,7 @@ int is_cpu_supported(void)
 				if (family == 15) {
 					cputype = CPU_K8;
 				} else if (family >= 16) {
-					SYSERRprintf("AMD Processor family %d: Please use the edac_mce_amd module instead.\n", family);
+					SYSERRprintf("ERROR: AMD Processor family %d: mcelog does not support this processor.  Please use the edac_mce_amd module instead.\n", family);
 					return 0;
 				}
 			} else if (!strcmp(vendor,"GenuineIntel"))