soc/intel/xeon_sp: Hook up the PMC driver

The soc code was already there but it was never linked.

Change-Id: I75ee08dab524bc40f1630612f93cbd42025b6d4e
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47763
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/intel/xeon_sp/Kconfig

@@ -50,6 +50,8 @@ config	CPU_SPECIFIC_OPTIONS
 	select SOC_INTEL_COMMON_BLOCK_GPIO_PADCFG_PADTOL
 	select SOC_INTEL_COMMON_BLOCK_PCR
 	select SOC_INTEL_COMMON_BLOCK_P2SB
+	select SOC_INTEL_COMMON_BLOCK_PMC
+	select SOC_INTEL_COMMON_BLOCK_PMC_DISCOVERABLE
 	select TSC_MONOTONIC_TIMER
 	select UDELAY_TSC
 	select SUPPORT_CPU_UCODE_IN_CBFS
@@ -57,6 +59,8 @@ config	CPU_SPECIFIC_OPTIONS
 	select CPU_INTEL_FIRMWARE_INTERFACE_TABLE
 	select FSP_CAR
 	select NO_SMM
+	select ACPI_INTEL_HARDWARE_SLEEP_VALUES
+	select REG_SCRIPT
 
 config MAINBOARD_USES_FSP2_0
 	  bool