Input: i8042 - select ARCH_MIGHT_HAVE_PC_SERIO on IA64

Architectures which might use an i8042 for serial IO to keyboard,
mouse, etc should select ARCH_MIGHT_HAVE_PC_SERIO.
Signed-off-by: NMark Salter <msalter@redhat.com>
Acked-by: NTony Luck <tony.luck@intel.com>
Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>

arch/ia64/Kconfig

@@ -7,6 +7,7 @@ menu "Processor type and features"
 config IA64
 	bool
 	select ARCH_MIGHT_HAVE_PC_PARPORT
+	select ARCH_MIGHT_HAVE_PC_SERIO
 	select PCI if (!IA64_HP_SIM)
 	select ACPI if (!IA64_HP_SIM)
 	select PM if (!IA64_HP_SIM)