mb/*: drop LPC generic range for port 80

Port 80 (actually 0x80-0x8f) is a fixed I/O range and thus does not have
to be set up as generic range. Drop the entries from the devicetrees.

Change-Id: I8a54d3c35a321a2d57bd846662f7339eff53e5a8
Signed-off-by: Michael Niewöhner <foss@mniewoehner.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52237
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
diff --git a/src/mainboard/clevo/kbl-u/variants/n13xwu/devicetree.cb b/src/mainboard/clevo/kbl-u/variants/n13xwu/devicetree.cb
index 29f57bd..0a0cdf4 100644
--- a/src/mainboard/clevo/kbl-u/variants/n13xwu/devicetree.cb
+++ b/src/mainboard/clevo/kbl-u/variants/n13xwu/devicetree.cb
@@ -114,8 +114,7 @@
 		device pci 1f.0 on	    # LPC Interface
 			register "gen1_dec" = "0x000c0681"
 			register "gen2_dec" = "0x000c1641"
-			register "gen3_dec" = "0x000c0081"
-			register "gen4_dec" = "0x00040069"
+			register "gen3_dec" = "0x00040069"
 			register "serirq_mode" = "SERIRQ_CONTINUOUS"
 			chip drivers/pc80/tpm
 				device pnp 0c31.0 on end