some new thinkpad laptops use intel chip with new pci id need be added
lspci -vnn output:
 Network controller [0280]: Intel Corporation Centrino Advanced-N 6235
 [8086:088f] (rev 24)
 Subsystem: Intel Corporation Device [8086:5260]
Signed-off-by: Shuduo Sang <sangshuduo@gmail.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
        {IWL_PCI_DEVICE(0x088F, 0x4260, iwl6035_2agn_cfg)},
        {IWL_PCI_DEVICE(0x088E, 0x4460, iwl6035_2agn_cfg)},
        {IWL_PCI_DEVICE(0x088E, 0x4860, iwl6035_2agn_cfg)},
+       {IWL_PCI_DEVICE(0x088F, 0x5260, iwl6035_2agn_cfg)},
 
 /* 105 Series */
        {IWL_PCI_DEVICE(0x0894, 0x0022, iwl105_bgn_cfg)},