trivial: typo (en|dis|avail|remove)bale -> (en|dis|avail|remove)able

Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/char/amiserial.c b/drivers/char/amiserial.c
index fd3ebd1..72429b6 100644
--- a/drivers/char/amiserial.c
+++ b/drivers/char/amiserial.c
@@ -779,7 +779,7 @@
 		info->IER |= UART_IER_MSI;
 	}
 	/* TBD:
-	 * Does clearing IER_MSI imply that we should disbale the VBL interrupt ?
+	 * Does clearing IER_MSI imply that we should disable the VBL interrupt ?
 	 */
 
 	/*