[XTENSA] Spelling fixes in arch/xtensa

Spelling fixes in arch/xtensa/.
Signed-off-by: NSimon Arlott <simon@fire.lp0.eu>
Signed-off-by: NChris Zankel <chris@zankel.net>

arch/xtensa/kernel/pci.c

@@ -401,7 +401,7 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
  * Also, think for a moment about likes of floppy.c that
  * include architecture specific parts. They may want to redefine ins/outs.
  *
- * We do not use horroble macroses here because we want to
+ * We do not use horrible macros here because we want to
  * advance pointer by sizeof(size).
  */
 void outsb(unsigned long addr, const void *src, unsigned long count) {

arch/xtensa/mm/init.c

@@ -205,7 +205,7 @@ void __init init_mmu (void)
 	/* Writing zeros to the <t>TLBCFG special registers ensure
 	 * that valid values exist in the register.  For existing
 	 * PGSZID<w> fields, zero selects the first element of the
-	 * page-size array.  For nonexistant PGSZID<w> fields, zero is
+	 * page-size array.  For nonexistent PGSZID<w> fields, zero is
 	 * the best value to write.  Also, when changing PGSZID<w>
 	 * fields, the corresponding TLB must be flushed.
 	 */

arch/xtensa/platform-iss/network.c

@@ -473,7 +473,7 @@ static int iss_net_open(struct net_device *dev)
 	netif_start_queue(dev);
 
 	/* clear buffer - it can happen that the host side of the interface
-	 * is full when we gethere. In this case, new data is never queued,
+	 * is full when we get here. In this case, new data is never queued,
 	 * SIGIOs never arrive, and the net never works.
 	 */
 	while ((err = iss_net_rx(dev)) > 0)