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/x86/lapic/boot_cpu.c

@@ -11,4 +11,3 @@ int boot_cpu(void)
 	return bsp;
 }
 #endif
-