pata: ixp4xx: Use IS_ENABLED() to determine endianness

Instead of an ARM-specific ifdef, use the global CPU config
and if (IS_ENABLED()).

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/ata/pata_ixp4xx_cf.c

@@ -107,8 +107,7 @@ static void ixp4xx_setup_port(struct ata_port *ap,
 
 	ata_sff_std_ports(ioaddr);
 
-#ifndef __ARMEB__
-
+	if (!IS_ENABLED(CONFIG_CPU_BIG_ENDIAN)) {
 		/* adjust the addresses to handle the address swizzling of the
 		 * ixp4xx in little endian mode.
 		 */
@@ -129,7 +128,7 @@ static void ixp4xx_setup_port(struct ata_port *ap,
 
 		raw_cmd ^= 0x03;
 		raw_ctl ^= 0x03;
-#endif
+	}
 
 	ata_port_desc(ap, "cmd 0x%lx ctl 0x%lx", raw_cmd, raw_ctl);
 }