soc/intel/skylake: use common Intel ACPI hardware definitions

Transition to using the common Intel ACPI hardware definitions
generic ACPI definitions.

BUG=chrome-os-partner:54977

Change-Id: I5f2aa424a167092b570fda020cddce5ef906860a
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/15671
Tested-by: build bot (Jenkins)
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Lee Leahy <leroy.p.leahy@intel.com>

src/soc/intel/skylake/Kconfig

@@ -7,6 +7,7 @@ if SOC_INTEL_SKYLAKE
 
 config CPU_SPECIFIC_OPTIONS
 	def_bool y
+	select ACPI_INTEL_HARDWARE_SLEEP_VALUES
 	select ARCH_BOOTBLOCK_X86_32
 	select ARCH_RAMSTAGE_X86_32
 	select ARCH_ROMSTAGE_X86_32