cpu: Trivial - drop trailing blank lines at EOF

Change-Id: I9004f34ba0c13b4489b26ac8c1476d00a6c6d01d
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/6207
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>

src/cpu/intel/hyperthreading/intel_sibling.c

@@ -94,4 +94,3 @@ void intel_sibling_init(device_t cpu)
 			new->path.apic.apic_id);
 	}
 }
-