sparc64: Kill isa_bus_type.

I forgot to delete this when I removed the ISA bus layer
from the sparc ports.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/include/asm/of_platform_64.h b/arch/sparc/include/asm/of_platform_64.h
index 4f66a5f..ccaa33c 100644
--- a/arch/sparc/include/asm/of_platform_64.h
+++ b/arch/sparc/include/asm/of_platform_64.h
@@ -16,7 +16,6 @@
 /* This is just here during the transition */
 #include <linux/of_platform.h>
 
-extern struct bus_type isa_bus_type;
 extern struct bus_type ebus_bus_type;
 extern struct bus_type sbus_bus_type;
 
diff --git a/arch/sparc64/kernel/of_device.c b/arch/sparc64/kernel/of_device.c
index 4fd48ab..f8b50cb 100644
--- a/arch/sparc64/kernel/of_device.c
+++ b/arch/sparc64/kernel/of_device.c
@@ -56,9 +56,6 @@
 EXPORT_SYMBOL(of_find_device_by_node);
 
 #ifdef CONFIG_PCI
-struct bus_type isa_bus_type;
-EXPORT_SYMBOL(isa_bus_type);
-
 struct bus_type ebus_bus_type;
 EXPORT_SYMBOL(ebus_bus_type);
 #endif
@@ -842,8 +839,6 @@
 	err = of_bus_type_init(&of_platform_bus_type, "of");
 #ifdef CONFIG_PCI
 	if (!err)
-		err = of_bus_type_init(&isa_bus_type, "isa");
-	if (!err)
 		err = of_bus_type_init(&ebus_bus_type, "ebus");
 #endif
 #ifdef CONFIG_SBUS