src/southbridge: Drop unneeded empty lines

Change-Id: I02aa1e2a9a9061b34b91f832d96123a8595d61b7
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44592
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Michael Niewöhner <foss@mniewoehner.de>

src/southbridge/intel/i82801gx/lpc.c

@@ -411,7 +411,6 @@ unsigned long acpi_fill_madt(unsigned long current)
 	current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
 		 current, 0, 9, 9, MP_IRQ_POLARITY_HIGH | MP_IRQ_TRIGGER_LEVEL);
 
-
 	return current;
 }