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/w100fb.c b/drivers/video/w100fb.c
index d8b12c3..c8be8af 100644
--- a/drivers/video/w100fb.c
+++ b/drivers/video/w100fb.c
@@ -1306,7 +1306,7 @@
 	union graphic_v_disp_u graphic_v_disp;
 	union crtc_total_u crtc_total;
 
-	/* w3200 doesnt like undefined bits being set so zero register values first */
+	/* w3200 doesn't like undefined bits being set so zero register values first */
 
 	active_h_disp.val = 0;
 	active_h_disp.f.active_h_start=mode->left_margin;