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/psycho_common.c b/arch/sparc/kernel/psycho_common.c
index 3f34ac8..fe2af66 100644
--- a/arch/sparc/kernel/psycho_common.c
+++ b/arch/sparc/kernel/psycho_common.c
@@ -447,7 +447,7 @@
 
 }
 
-void psycho_pbm_init_common(struct pci_pbm_info *pbm, struct of_device *op,
+void psycho_pbm_init_common(struct pci_pbm_info *pbm, struct platform_device *op,
 			    const char *chip_name, int chip_type)
 {
 	struct device_node *dp = op->dev.of_node;