mb/asus/p8z77-m: Add TPM config

This board has a TPM connector, enable support for it.

Signed-off-by: Fabian Groffen <grobian@gentoo.org>
Change-Id: I1861df95eef15bc2bd29412240d61456eaaad8c9
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75105
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>

src/mainboard/asus/p8x7x-series/Kconfig.name

@@ -43,4 +43,5 @@ config BOARD_ASUS_P8Z77_M
 	bool "P8Z77-M"
 	select BOARD_ASUS_P8X7X_SERIES
 	select BOARD_ROMSIZE_KB_8192
+	select MEMORY_MAPPED_TPM
 	select SUPERIO_NUVOTON_NCT6779D

src/mainboard/asus/p8x7x-series/variants/p8z77-m/overridetree.cb

@@ -75,6 +75,9 @@ chip northbridge/intel/sandybridge
 					device pnp 2e.609 off end	# GPIO 6
 					device pnp 2e.709 off end	# GPIO 7
 				end
+				chip drivers/pc80/tpm
+					device pnp 4e.0 on end	# TPM
+				end
 			end
 		end
 	end