cpu/x86/lapic: rename virtual wire mode initialization function

Clarify what the function does by renaming it from do_lapic_init() to
lapic_virtual_wire_mode_init().

Change-Id: Ie4430bf0f6c6bf0081b6aaeace351092bcf7f4ac
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47020
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-by: Nico Huber <nico.h@gmx.de>

src/cpu/x86/lapic/lapic.c

@@ -3,7 +3,7 @@
 #include <cpu/x86/lapic.h>
 #include <console/console.h>
 
-void do_lapic_init(void)
+void lapic_virtual_wire_mode_init(void)
 {
 	/* this is so interrupts work. This is very limited scope --
 	 * linux will do better later, we hope ...