soc/intel/xeon_sp: Use common block ACPI

Use the common block ACPI to further reduce the duplicate code.

Change-Id: If28d75cbb2a88363d70e3ae6a2cace46cb6bbbab
Signed-off-by: Marc Jones <marcjones@sysproconsulting.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48248
Reviewed-by: Jay Talbott <JayTalbott@sysproconsulting.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/intel/xeon_sp/Kconfig

@@ -54,6 +54,7 @@ config	CPU_SPECIFIC_OPTIONS
 	select SOC_INTEL_COMMON_BLOCK_PMC_DISCOVERABLE
 	select SOC_INTEL_COMMON_BLOCK_SMM
 	select SOC_INTEL_COMMON_BLOCK_TCO
+	select SOC_INTEL_COMMON_BLOCK_ACPI
 	select TSC_MONOTONIC_TIMER
 	select UDELAY_TSC
 	select SUPPORT_CPU_UCODE_IN_CBFS