[MIPS] Sibyte: Register PIO PATA device only for Swarm and Litte Sur

Symbol name spaghetti which is too complicated to cleanup on this stage
of the release cycle breaks the build on BCM1480 platforms.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/sibyte/swarm/platform.c

@@ -9,6 +9,8 @@
 #include <asm/sibyte/sb1250_genbus.h>
 #include <asm/sibyte/sb1250_regs.h>
 
+#if defined(CONFIG_SIBYTE_SWARM) || defined(CONFIG_SIBYTE_LITTLESUR)
+
 #define DRV_NAME	"pata-swarm"
 
 #define SWARM_IDE_SHIFT	5
@@ -79,3 +81,5 @@ static int __init swarm_pata_init(void)
 }
 
 device_initcall(swarm_pata_init);
+
+#endif /* defined(CONFIG_SIBYTE_SWARM) || defined(CONFIG_SIBYTE_LITTLESUR) */