src/include: Drop unneeded empty lines

Change-Id: Ie325541547ea10946f41a8f979d144a06a7e80eb
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44611
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>

src/include/reg_script.h

@@ -355,7 +355,6 @@ struct reg_script_bus_entry {
 #define REG_RES_XOR32(bar_, reg_, value_) \
 	REG_RES_RXW32(bar_, reg_, 0xffffffff, value_)
 
-
 #if CONFIG(SOC_INTEL_BAYTRAIL)
 /*
  * IO Sideband Function