remove ioremap_nocache and devm_ioremap_nocache

ioremap has provided non-cached semantics by default since the Linux 2.6
days, so remove the additional ioremap_nocache interface.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/drivers/ssb/driver_extif.c b/drivers/ssb/driver_extif.c
index 06b68dd..bc27596 100644
--- a/drivers/ssb/driver_extif.c
+++ b/drivers/ssb/driver_extif.c
@@ -63,7 +63,7 @@ int ssb_extif_serial_init(struct ssb_extif *extif, struct ssb_serial_port *ports
 	for (i = 0; i < 2; i++) {
 		void __iomem *uart_regs;
 
-		uart_regs = ioremap_nocache(SSB_EUART, 16);
+		uart_regs = ioremap(SSB_EUART, 16);
 		if (uart_regs) {
 			uart_regs += (i * 8);