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>
diff --git a/src/soc/intel/baytrail/Kconfig b/src/soc/intel/baytrail/Kconfig
index 7b87766..66fcded 100644
--- a/src/soc/intel/baytrail/Kconfig
+++ b/src/soc/intel/baytrail/Kconfig
@@ -17,7 +17,7 @@
 	select CPU_INTEL_TURBO_NOT_PACKAGE_SCOPED
 	select SUPPORT_CPU_UCODE_IN_CBFS
 	select HAVE_SMI_HANDLER
-	select HAVE_HARD_RESET
+	select SOUTHBRIDGE_INTEL_COMMON_RESET
 	select NO_FIXED_XIP_ROM_SIZE
 	select PARALLEL_MP
 	select PCIEXP_ASPM