sb/intel/i82801dx/Kconfig: remove duplicate SOUTHBRIDGE_INTEL_COMMON

Change-Id: I968ea205e53543f3af68596d6861e25e808057df
Signed-off-by: Stefan Tauner <stefan.tauner@gmx.at>
Reviewed-on: https://review.coreboot.org/28508
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

src/southbridge/intel/i82801dx/Kconfig

@@ -17,7 +17,6 @@
 config SOUTHBRIDGE_INTEL_I82801DX
 	bool
 	select ACPI_INTEL_HARDWARE_SLEEP_VALUES
-	select SOUTHBRIDGE_INTEL_COMMON
 	select IOAPIC
 	select HAVE_HARD_RESET
 	select HAVE_SMI_HANDLER