soc/intel/apollolake: Add chip initialization

Change-Id: I54532b71c7649f7eeccbb2213b31418cfdbfb00c
Signed-off-by: Andrey Petrov <andrey.petrov@intel.com>
Reviewed-on: https://review.coreboot.org/13911
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

src/soc/intel/apollolake/Makefile.inc

@@ -26,6 +26,7 @@ romstage-y += mmap_boot.c
 
 smm-y += placeholders.c
 ramstage-y += cpu.c
+ramstage-y += chip.c
 ramstage-y += placeholders.c
 ramstage-y += gpio.c
 ramstage-$(CONFIG_SOC_UART_DEBUG) += uart_early.c