Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/drivers/media/video/gspca/spca508.c b/drivers/media/video/gspca/spca508.c
index 3483193..41dce49 100644
--- a/drivers/media/video/gspca/spca508.c
+++ b/drivers/media/video/gspca/spca508.c
@@ -592,7 +592,7 @@
 /* This line seems to setup the frame/canvas */
 	{0x000f, 0x8402},
 
-/* Theese 6 lines are needed to startup the webcam */
+/* These 6 lines are needed to startup the webcam */
 	{0x0090, 0x8110},
 	{0x0001, 0x8114},
 	{0x0001, 0x8114},