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>

arch/sh/boards/mach-sdk7786/fpga.c

@@ -32,7 +32,7 @@ static void __iomem *sdk7786_fpga_probe(void)
 	 * is reserved.
 	 */
 	for (area = PA_AREA0; area < PA_AREA7; area += SZ_64M) {
-		base = ioremap_nocache(area + FPGA_REGS_OFFSET, FPGA_REGS_SIZE);
+		base = ioremap(area + FPGA_REGS_OFFSET, FPGA_REGS_SIZE);
 		if (!base) {
 			/* Failed to remap this area, move along. */
 			continue;