Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/drivers/block/DAC960.c b/drivers/block/DAC960.c
index 7988210..8066d08 100644
--- a/drivers/block/DAC960.c
+++ b/drivers/block/DAC960.c
@@ -1790,7 +1790,7 @@
   unsigned short LogicalDeviceNumber = 0;
   int ModelNameLength;
 
-  /* Get data into dma-able area, then copy into permanant location */
+  /* Get data into dma-able area, then copy into permanent location */
   if (!DAC960_V2_NewControllerInfo(Controller))
     return DAC960_Failure(Controller, "GET CONTROLLER INFO");
   memcpy(ControllerInfo, Controller->V2.NewControllerInformation,