mainboard: Use decimal for device lapic 0x0 on

Most boards use `device lapic 0 on` with zero written in decimal.
For the sake of consistency, update the remaining boards to follow suit.

Change-Id: I1d3b1ac107e33aae11189cdd5e719b8e48b10f08
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/54359
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>

src/mainboard/google/parrot/devicetree.cb

@@ -22,7 +22,7 @@ chip northbridge/intel/sandybridge
 	device cpu_cluster 0 on
 		chip cpu/intel/model_206ax
 			# Magic APIC ID to locate this chip
-			device lapic 0x0 on end
+			device lapic 0 on end
 			device lapic 0xacac off end
 
 			register "acpi_c1" = "1"	# ACPI(C1) = MWAIT(C1)