sparc: remove references to of_device and to_of_device

of_device is just a #define alias to platform_device.  This patch
replaces all references to it with platform_device.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/pci_fire.c b/arch/sparc/kernel/pci_fire.c
index 885f10b..efb896d 100644
--- a/arch/sparc/kernel/pci_fire.c
+++ b/arch/sparc/kernel/pci_fire.c
@@ -410,7 +410,7 @@
 }
 
 static int __devinit pci_fire_pbm_init(struct pci_pbm_info *pbm,
-				       struct of_device *op, u32 portid)
+				       struct platform_device *op, u32 portid)
 {
 	const struct linux_prom64_registers *regs;
 	struct device_node *dp = op->dev.of_node;
@@ -455,7 +455,7 @@
 	return 0;
 }
 
-static int __devinit fire_probe(struct of_device *op,
+static int __devinit fire_probe(struct platform_device *op,
 				const struct of_device_id *match)
 {
 	struct device_node *dp = op->dev.of_node;