mb/protectli/vault_kbl: Enable Intel PTT

TEST=tweak PCR banks in SeaBIOS TPM menu, run tpm2_pcrlist in Linux

Signed-off-by: Michał Żygowski <michal.zygowski@3mdeb.com>
Change-Id: I7c443a25ca7259df9c0a07615d0502f47d25792e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42565
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
diff --git a/src/mainboard/protectli/vault_kbl/devicetree.cb b/src/mainboard/protectli/vault_kbl/devicetree.cb
index d3e8b23..bb408a4 100644
--- a/src/mainboard/protectli/vault_kbl/devicetree.cb
+++ b/src/mainboard/protectli/vault_kbl/devicetree.cb
@@ -305,4 +305,7 @@
 		device pci 1f.5 off end # PCH SPI
 		device pci 1f.6 off end # GbE
 	end
+	chip drivers/crb
+		device mmio 0xfed40000 on end
+	end
 end