i3100: Add HAVE_HARD_RESET

and remove it from mainboard/intel/mtarvon, as this function
is implemented in the southbridge code.

Change-Id: Id3669aaf99b96b4a7a965f4957e5de7c365acaa6
Signed-off-by: Sven Schnelle <svens@stackframe.org>
Reviewed-on: http://review.coreboot.org/469
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>

src/mainboard/intel/mtarvon/Kconfig

@@ -7,7 +7,6 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select NORTHBRIDGE_INTEL_I3100
 	select SOUTHBRIDGE_INTEL_I3100
 	select SUPERIO_INTEL_I3100
-	select HAVE_HARD_RESET
 	select HAVE_PIRQ_TABLE
 	select HAVE_MP_TABLE
 	select UDELAY_TSC

src/southbridge/intel/i3100/Kconfig

@@ -1,3 +1,4 @@
 config SOUTHBRIDGE_INTEL_I3100
 	bool
 	select IOAPIC
+	select HAVE_HARD_RESET