Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/drivers/video/au1200fb.c b/drivers/video/au1200fb.c
index 4ea187d..5dff32a 100644
--- a/drivers/video/au1200fb.c
+++ b/drivers/video/au1200fb.c
@@ -1572,7 +1572,7 @@
 	/* Copy monitor specs from panel data */
 	/* fixme: we're setting up LCD controller windows, so these dont give a
 	damn as to what the monitor specs are (the panel itself does, but that
-	isnt done here...so maybe need a generic catchall monitor setting??? */
+	isn't done here...so maybe need a generic catchall monitor setting??? */
 	memcpy(&fbi->monspecs, &panel->monspecs, sizeof(struct fb_monspecs));
 
 	/* We first try the user mode passed in argument. If that failed,