ahci: extend data io wait to 20s

Some drives take even more than 10s to respond to the initial data
command while they're spinning up.

Signed-off-by: Laci Tele <laci@boundarydevices.com>
Signed-off-by: Gary Bisson <gary.bisson@boundarydevices.com>

drivers/ata/ahci.c

@@ -46,7 +46,7 @@ struct ahci_uc_priv *probe_ent = NULL;
 
 /* Maximum timeouts for each event */
 #define WAIT_MS_SPINUP	20000
-#define WAIT_MS_DATAIO	10000
+#define WAIT_MS_DATAIO	20000
 #define WAIT_MS_FLUSH	5000
 #define WAIT_MS_LINKUP	200