intel/xeon_sp: Select TPM_STARTUP_IGNORE_POSTINIT if INTEL_TXT is selected

Because ACM already does TPM initialization.

Change-Id: I49cc3b0077b220b0ca0bfa048be1e3d3d7023b05
Signed-off-by: Johnny Lin <johnny_lin@wiwynn.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50102
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>

src/soc/intel/xeon_sp/Kconfig

@@ -57,6 +57,7 @@ config	CPU_SPECIFIC_OPTIONS
 	select SOC_INTEL_COMMON_BLOCK_TCO
 	select SOC_INTEL_COMMON_BLOCK_ACPI
 	select TSC_MONOTONIC_TIMER
+	select TPM_STARTUP_IGNORE_POSTINIT if INTEL_TXT
 	select UDELAY_TSC
 	select SUPPORT_CPU_UCODE_IN_CBFS
 	select CPU_INTEL_FIRMWARE_INTERFACE_TABLE