powernow-k6: Really enable auto-loading

Commit fa8031aefec0cf7ea6c2387c93610d99d9659aa2 ('cpufreq: Add support
for x86 cpuinfo auto loading v4') added a device ID table to this
driver, but didn't declare it as the module device ID table.

Signed-off-by: Ben Hutchings <[e-mail]>
Acked-by: Thomas Renninger <[e-mail]>
Acked-by: H. Peter Anvin <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/cpufreq/powernow-k6.c

···
 	{ X86_VENDOR_AMD, 5, 13 },
 	{}
 };
-
+MODULE_DEVICE_TABLE(x86cpu, powernow_k6_ids);
 
 /**
  * powernow_k6_init - initializes the k6 PowerNow! CPUFreq driver