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>

sound/pci/cs46xx/cs46xx_lib.c

@@ -3983,7 +3983,7 @@ int snd_cs46xx_create(struct snd_card *card,
 			snd_cs46xx_free(chip);
 			return -EBUSY;
 		}
-		region->remap_addr = ioremap_nocache(region->base, region->size);
+		region->remap_addr = ioremap(region->base, region->size);
 		if (region->remap_addr == NULL) {
 			dev_err(chip->card->dev,
 				"%s ioremap problem\n", region->name);