src/cpu: Drop unneeded empty lines

Change-Id: I116b15c83fcc5d69d3f80a2e6cf0fb085064d9a6
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44604
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Michael Niewöhner <foss@mniewoehner.de>

src/cpu/intel/hyperthreading/intel_sibling.c

@@ -52,7 +52,6 @@ void intel_sibling_init(struct device *cpu)
 		cpu_path.type = DEVICE_PATH_APIC;
 		cpu_path.apic.apic_id = cpu->path.apic.apic_id + i;
 
-
 		/* Allocate new CPU device structure iff sibling CPU
 		 * was not in static device tree.
 		 */