southbridge: Trivial - drop trailing blank lines at EOF

Change-Id: I5484ebb665453777cc3b2561be6e50c787f1a257
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/6209
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>

src/southbridge/intel/ibexpeak/early_smbus.c

@@ -74,4 +74,3 @@ int smbus_block_write(unsigned device, unsigned cmd, u8 bytes, const u8 *buf)
 {
 	return do_smbus_block_write(SMBUS_IO_BASE, device, cmd, bytes, buf);
 }
-