siemens/mc_apl4: Enable HW SPI TPM on mainboard mc_apl4
This patch enables TPM2 on LPC and adds the needed devicetree entry for
TPM for mc_apl4.
Test=mc_apl4 flashed, booted into Linux and checked via dmesg if TPM is
present
Change-Id: I9af7e1a8623302eca46f5ecd8e498678ccda92ad
Signed-off-by: Uwe Poeche <uwe.poeche@siemens.com>
Reviewed-on: https://review.coreboot.org/c/31344
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Mario Scheithauer <mario.scheithauer@siemens.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>