ahci_xgene: Fix the endianess issue in APM X-Gene SoC AHCI SATA controller driver.

commit 5c0b8e0d upstream.

This patch fixes the big endian mode issue with function
xgene_ahci_read_id.
Signed-off-by: Suman Tripathi <stripathi@apm.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>

drivers/ata/ahci_xgene.c

@@ -174,7 +174,7 @@ static unsigned int xgene_ahci_read_id(struct ata_device *dev,
 	 *
 	 * Clear reserved bit 8 (DEVSLP bit) as we don't support DEVSLP
 	 */
-	id[ATA_ID_FEATURE_SUPP] &= ~(1 << 8);
+	id[ATA_ID_FEATURE_SUPP] &= cpu_to_le16(~(1 << 8));
 
 	return 0;
 }