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/omap2/dss/hdmi.c b/drivers/video/omap2/dss/hdmi.c
index 0d44f07..a981def 100644
--- a/drivers/video/omap2/dss/hdmi.c
+++ b/drivers/video/omap2/dss/hdmi.c
@@ -587,7 +587,7 @@
 	struct hdmi_cm cm;
 	struct omap_video_timings edid_timings;
 
-	/* seach block 0, there are 4 DTDs arranged in priority order */
+	/* search block 0, there are 4 DTDs arranged in priority order */
 	for (count = 0; count < EDID_SIZE_BLOCK0_TIMING_DESCRIPTOR; count++) {
 		current_descriptor_addrs =
 			EDID_DESCRIPTOR_BLOCK0_ADDRESS +