soc/intel/cannonlake: Add cpu.c and MP init support

Add initial MP init support. This boots up all CPUs.

Change-Id: Ia33691c17c663d704abf65320d4bf1262239524d
Signed-off-by: Pratik Prajapati <pratikkumar.v.prajapati@intel.com>
Reviewed-on: https://review.coreboot.org/21081
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/intel/cannonlake/Kconfig

@@ -20,15 +20,19 @@ config CPU_SPECIFIC_OPTIONS
 	select HAVE_INTEL_FIRMWARE
 	select HAVE_MONOTONIC_TIMER
 	select INTEL_CAR_NEM_ENHANCED
+	select PARALLEL_MP
+	select PARALLEL_MP_AP_WORK
 	select PLATFORM_USES_FSP2_0
 	select POSTCAR_CONSOLE
 	select POSTCAR_STAGE
 	select REG_SCRIPT
 	select RELOCATABLE_RAMSTAGE
+	select SMP
 	select SOC_INTEL_COMMON
 	select SOC_INTEL_COMMON_BLOCK
 	select SOC_INTEL_COMMON_BLOCK_CAR
 	select SOC_INTEL_COMMON_BLOCK_CPU
+	select SOC_INTEL_COMMON_BLOCK_CPU_MPINIT
 	select SOC_INTEL_COMMON_BLOCK_CSE
 	select SOC_INTEL_COMMON_BLOCK_FAST_SPI
 	select SOC_INTEL_COMMON_BLOCK_GPIO
@@ -91,7 +95,6 @@ config CPU_BCLK_MHZ
 	int
 	default 100
 
-
 config SOC_INTEL_COMMON_BLOCK_GSPI_MAX
 	int
 	default 3