soc/intel/apollolake: Use ITSS common code

This patch uses common ITSS library to setup
itss irq.

Change-Id: Id265505cfc106668aea25ad93e114fe20736b700
Signed-off-by: Bora Guvendik <bora.guvendik@intel.com>
Reviewed-on: https://review.coreboot.org/19236
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

src/soc/intel/apollolake/Kconfig

@@ -54,6 +54,7 @@ config CPU_SPECIFIC_OPTIONS
 	select SOC_INTEL_COMMON_ACPI
 	select SOC_INTEL_COMMON_ACPI_WAKE_SOURCE
 	select SOC_INTEL_COMMON_BLOCK
+	select SOC_INTEL_COMMON_BLOCK_ITSS
 	select SOC_INTEL_COMMON_BLOCK_LPSS
 	select SOC_INTEL_COMMON_BLOCK_PCR
 	select SOC_INTEL_COMMON_BLOCK_SA