skl mainboards/dt: Move genx_dec settings into LPC device scope

Change-Id: Iecb4851bedb7c9ed7793763d80acbcbb068e8832
Signed-off-by: Felix Singer <felixsinger@posteo.net>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/83172
Reviewed-by: Michael Niewöhner <foss@mniewoehner.de>
Reviewed-by: Jonathon Hall <jonathon.hall@puri.sm>
Reviewed-by: Erik van den Bogaert <ebogaert@eltan.com>
Reviewed-by: Eric Lai <ericllai@google.com>
Reviewed-by: Marvin Evers <marvin.n.evers@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/facebook/monolith/devicetree.cb b/src/mainboard/facebook/monolith/devicetree.cb
index 609e181..854b887 100644
--- a/src/mainboard/facebook/monolith/devicetree.cb
+++ b/src/mainboard/facebook/monolith/devicetree.cb
@@ -18,11 +18,6 @@
 	register "lpc_iod" = "0x0070"
 	register "lpc_ioe" = "LPC_IOE_COMA_EN | LPC_IOE_COMB_EN | LPC_IOE_EC_62_66"
 
-	# CPLD host command ranges are in 0x280-0x2BF
-	# EC PNP registers are at 0x6e and 0x6f
-	register "gen1_dec" = "0x003c0281"
-	register "gen3_dec" = "0x0004006d"
-
 	# LPC serial IRQ
 	register "serirq_mode" = "SERIRQ_CONTINUOUS"
 
@@ -221,6 +216,11 @@
 		device ref uart0	on  end
 		device ref emmc		on  end
 		device ref lpc_espi	on
+			# CPLD host command ranges are in 0x280-0x2BF
+			# EC PNP registers are at 0x6e and 0x6f
+			register "gen1_dec" = "0x003c0281"
+			register "gen3_dec" = "0x0004006d"
+
 			chip drivers/pc80/tpm
 				device pnp 0c31.0 on end
 			end