security/tpm: Unify the coreboot TPM software stack

* Remove 2nd software stack in pc80 drivers directory.
* Create TSPI interface for common usage.
* Refactor TSS / TIS code base.
* Add vendor tss (Cr50) directory.
* Change kconfig options for TPM to TPM1.
* Add user / board configuration with:
  * MAINBOARD_HAS_*_TPM # * BUS driver
  * MAINBOARD_HAS_TPM1 or MAINBOARD_HAS_TPM2
  * Add kconfig TPM user selection (e.g. pluggable TPMs)
* Fix existing headers and function calls.
* Fix vboot for interface usage and antirollback mode.

Change-Id: I7ec277e82a3c20c62a0548a1a2b013e6ce8f5b3f
Signed-off-by: Philipp Deppenwiese <zaolin@das-labor.org>
Reviewed-on: https://review.coreboot.org/24903
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
diff --git a/src/mainboard/google/veyron/Kconfig b/src/mainboard/google/veyron/Kconfig
index f051b3d..6aef4ce 100644
--- a/src/mainboard/google/veyron/Kconfig
+++ b/src/mainboard/google/veyron/Kconfig
@@ -40,6 +40,8 @@
 	select SPI_FLASH
 	select SPI_FLASH_GIGADEVICE
 	select SPI_FLASH_WINBOND
+	select MAINBOARD_HAS_I2C_TPM_GENERIC
+	select MAINBOARD_HAS_TPM1
 
 config VBOOT
 	select VBOOT_VBNV_EC