ISDN: s/ioremap_nocache/ioremap/g

So the missing EXPORT_SYMBOL() for ioremap_nocache at least found
some ISDN drivers which shouldn't have been using it in the first
place.

drivers/isdn/hardware/avm/b1pci.c

@@ -211,7 +211,7 @@ static int b1pciv4_probe(struct capicardparams *p, struct pci_dev *pdev)
 		goto err_free_dma;
 	}
 
-	card->mbase = ioremap_nocache(card->membase, 64);
+	card->mbase = ioremap(card->membase, 64);
 	if (!card->mbase) {
 		printk(KERN_NOTICE "b1pci: can't remap memory at 0x%lx\n",
 		       card->membase);

drivers/isdn/hardware/avm/c4.c

@@ -1129,7 +1129,7 @@ static int c4_add_card(struct capicardparams *p, struct pci_dev *dev,
 		goto err_free_dma;
 	}
 
-	card->mbase = ioremap_nocache(card->membase, 128);
+	card->mbase = ioremap(card->membase, 128);
 	if (card->mbase == 0) {
 		printk(KERN_NOTICE "c4: can't remap memory at 0x%lx\n",
 		       card->membase);

drivers/isdn/hardware/avm/t1pci.c

@@ -79,7 +79,7 @@ static int t1pci_add_card(struct capicardparams *p, struct pci_dev *pdev)
 		goto err_free_dma;
 	}
 
-	card->mbase = ioremap_nocache(card->membase, 64);
+	card->mbase = ioremap(card->membase, 64);
 	if (!card->mbase) {
 		printk(KERN_NOTICE "t1pci: can't remap memory at 0x%lx\n",
 		       card->membase);