mb/*/*/devicetree.cb: Make sandybridge devicetree uniform

This is a merely cosmetic change.

Change-Id: If36419fbee9628b591116604bf32fe00a4f08c17
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/31030
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Tristan Corrick <tristan@corrick.kiwi>

src/mainboard/google/parrot/devicetree.cb

@@ -26,7 +26,7 @@ chip northbridge/intel/sandybridge
 		end
 		chip cpu/intel/model_206ax
 			# Magic APIC ID to locate this chip
-			device lapic 0xACAC off end
+			device lapic 0xacac off end
 
 			register "c1_acpower" = "1"	# ACPI(C1) = MWAIT(C1)
 			register "c2_acpower" = "3"	# ACPI(C2) = MWAIT(C3)