src: Remove unused '#include <cpu/x86/lapic.h>'

Also, replace 'lapic.h' by 'lapic_def.h' in 'soc/intel/braswell/northcluster.c'.

Change-Id: I71cff43d53660dc1e5a760ac3034bcf75f93c6e7
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41489
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/biostar/a68n_5200/mptable.c

@@ -5,7 +5,6 @@
 #include <arch/ioapic.h>
 #include <string.h>
 #include <stdint.h>
-#include <cpu/x86/lapic.h>
 #include <southbridge/amd/agesa/hudson/hudson.h>
 
 u8 picr_data[0x54] = {

src/mainboard/biostar/am1ml/mptable.c

@@ -3,7 +3,6 @@
 #include <arch/smp/mpspec.h>
 #include <arch/ioapic.h>
 #include <stdint.h>
-#include <cpu/x86/lapic.h>
 #include <southbridge/amd/common/amd_pci_util.h>
 #include <drivers/generic/ioapic/chip.h>