iwlwifi: collapse wrapper for pcie_capability_read_word()

iwl_pciexp_link_ctrl() has only one call site and no longer provides any
useful abstraction, so collapse it into the caller.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Johannes Berg <johannes.berg@intel.com>
1 file changed