wifi: iwlwifi: pcie: make iwl_pcie_d3_complete_suspend() static

The function is only used in the same file, so it can
trivially be static. Do that.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241231135726.c09d2251824c.Ibcfbb4bbe27a0767a1da4a5897b2b0f70193dc3d@changeid


Signed-off-by: Johannes Berg <johannes.berg@intel.com>