libata-acpi: s/CONFIG_SATA_ACPI/CONFIG_ATA_ACPI/

ACPI applies to both SATA and PATA.  Drop the 'S' from the config
variable.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 90abcdc..27d9362 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -458,7 +458,7 @@
 	struct ata_ering	ering;
 	int			spdn_cnt;
 	unsigned int		horkage;	/* List of broken features */
-#ifdef CONFIG_SATA_ACPI
+#ifdef CONFIG_ATA_ACPI
 	/* ACPI objects info */
 	acpi_handle obj_handle;
 #endif