iwlwifi: fix __percpu annotation

Sparse warns about some type mismatches, which really is just
because of the strangely placed __percpu annotation. Put it
into the correct place.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210819183728.0a292b05fcf4.I7e89dfa6495143585021cb628ebb17d52e4588e5@changeidSigned-off-by: Luca Coelho <luciano.coelho@intel.com>

drivers/net/wireless/intel/iwlwifi/iwl-trans.h

@@ -887,7 +887,7 @@ struct iwl_trans_txqs {
 	bool bc_table_dword;
 	u8 page_offs;
 	u8 dev_cmd_offs;
-	struct __percpu iwl_tso_hdr_page * tso_hdr_page;
+	struct iwl_tso_hdr_page __percpu *tso_hdr_page;
 
 	struct {
 		u8 fifo;