intel: Use CF9 reset (part 1)

Add SOUTHBRIDGE_INTEL_COMMON_RESET for all Intel platforms that used to
perform a "system reset" in their hard_reset() implementation. Replace
all duplicate CF9 reset implementations for these platforms.

Change-Id: I8e359b0c4d5a1060edd0940d24c2f78dfed8a590
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/28862
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

src/cpu/intel/haswell/romstage.c

@@ -18,6 +18,7 @@
 #include <cbfs.h>
 #include <console/console.h>
 #include <arch/cpu.h>
+#include <cf9_reset.h>
 #include <cpu/cpu.h>
 #include <cpu/x86/bist.h>
 #include <cpu/x86/msr.h>
@@ -32,7 +33,6 @@
 #include <cbmem.h>
 #include <program_loading.h>
 #include <romstage_handoff.h>
-#include <reset.h>
 #include <vendorcode/google/chromeos/chromeos.h>
 #if IS_ENABLED(CONFIG_EC_GOOGLE_CHROMEEC)
 #include <ec/google/chromeec/ec.h>
@@ -44,12 +44,6 @@
 #include <cpu/intel/romstage.h>
 #include "haswell.h"
 
-static inline void reset_system(void)
-{
-	hard_reset();
-	halt();
-}
-
 #define ROMSTAGE_RAM_STACK_SIZE 0x5000
 
 /* platform_enter_postcar() determines the stack to use after
@@ -147,7 +141,7 @@ void romstage_common(const struct romstage_params *params)
 	} else if (cbmem_initialize()) {
 	#if IS_ENABLED(CONFIG_HAVE_ACPI_RESUME)
 		/* Failed S3 resume, reset to come up cleanly */
-		reset_system();
+		system_reset();
 	#endif
 	}