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/hexium_gemini.c b/drivers/media/video/hexium_gemini.c
index cdf8b19..cbc505a 100644
--- a/drivers/media/video/hexium_gemini.c
+++ b/drivers/media/video/hexium_gemini.c
@@ -261,7 +261,7 @@
 
 /* the saa7146 provides some controls (brightness, contrast, saturation)
    which gets registered *after* this function. because of this we have
-   to return with a value != 0 even if the function succeded.. */
+   to return with a value != 0 even if the function succeeded.. */
 static int vidioc_queryctrl(struct file *file, void *fh, struct v4l2_queryctrl *qc)
 {
 	struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;