[POWERPC] mpc5200: eliminate mpc52xx_*_map_*() functions.

mpc5200 platform code defines a bunch of map functions which duplicate the
functionality of of_iomap().  Remove them and use of_iomap() instead.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
diff --git a/drivers/spi/mpc52xx_psc_spi.c b/drivers/spi/mpc52xx_psc_spi.c
index 7051e6c..d398c93 100644
--- a/drivers/spi/mpc52xx_psc_spi.c
+++ b/drivers/spi/mpc52xx_psc_spi.c
@@ -330,6 +330,7 @@
 
 static int mpc52xx_psc_spi_port_config(int psc_id, struct mpc52xx_psc_spi *mps)
 {
+	struct device_node *np;
 	struct mpc52xx_cdm __iomem *cdm;
 	struct mpc52xx_gpio __iomem *gpio;
 	struct mpc52xx_psc __iomem *psc = mps->psc;
@@ -338,8 +339,12 @@
 	int ret = 0;
 
 #if defined(CONFIG_PPC_MERGE)
-	cdm = mpc52xx_find_and_map("mpc5200-cdm");
-	gpio = mpc52xx_find_and_map("mpc5200-gpio");
+	np = of_find_compatible_node(NULL, NULL, "mpc5200-cdm");
+	cdm = of_iomap(np, 0);
+	of_node_put(np);
+	np = of_find_compatible_node(NULL, NULL, "mpc5200-gpio");
+	gpio = of_iomap(np, 0);
+	of_node_put(np);
 #else
 	cdm = ioremap(MPC52xx_PA(MPC52xx_CDM_OFFSET), MPC52xx_CDM_SIZE);
 	gpio = ioremap(MPC52xx_PA(MPC52xx_GPIO_OFFSET), MPC52xx_GPIO_SIZE);