ahci: Do not export local variable ahci_em_messages

The commit ed08d40
  ("ahci: Changing two module params with static and __read_mostly")
moved ahci_em_messages to be static while missing the fact of exporting it.

WARNING: "ahci_em_messages" [vmlinux] is a static EXPORT_SYMBOL_GPL

Drop export for the local variable ahci_em_messages.

Fixes: ed08d40 ("ahci: Changing two module params with static and __read_mostly")
Cc: Chuansheng Liu <[email protected]>
Signed-off-by: Andy Shevchenko <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>

Author: andy-shev

drivers/ata/libahci.c

@@ -175,7 +175,6 @@ struct ata_port_operations ahci_pmp_retry_srst_ops = {
 EXPORT_SYMBOL_GPL(ahci_pmp_retry_srst_ops);
 
 static bool ahci_em_messages __read_mostly = true;
-EXPORT_SYMBOL_GPL(ahci_em_messages);
 module_param(ahci_em_messages, bool, 0444);
 /* add other LED protocol types when they become supported */
 MODULE_PARM_DESC(ahci_em_messages,