smbios: Mark laptops as such

Change-Id: I179a4cede2f826f72a400208748798737216c01a
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/7071
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Tested-by: build bot (Jenkins)

src/mainboard/google/link/Kconfig

@@ -2,6 +2,7 @@ if BOARD_GOOGLE_LINK
 
 config BOARD_SPECIFIC_OPTIONS # dummy
 	def_bool y
+	select SYSTEM_TYPE_LAPTOP
 	select CPU_INTEL_SOCKET_RPGA989
 	select NORTHBRIDGE_INTEL_IVYBRIDGE
 	select SOUTHBRIDGE_INTEL_C216