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/dvb/bt8xx/dvb-bt8xx.c b/drivers/media/dvb/bt8xx/dvb-bt8xx.c
index 78fc469..1e1106d 100644
--- a/drivers/media/dvb/bt8xx/dvb-bt8xx.c
+++ b/drivers/media/dvb/bt8xx/dvb-bt8xx.c
@@ -427,10 +427,10 @@
 	struct dvb_bt8xx_card *bt = fe->dvb->priv;
 
 	/* RESET DEVICE
-	 * reset is controled by GPIO-0
+	 * reset is controlled by GPIO-0
 	 * when set to 0 causes reset and when to 1 for normal op
 	 * must remain reset for 128 clock cycles on a 50Mhz clock
-	 * also PRM1 PRM2 & PRM4 are controled by GPIO-1,GPIO-2 & GPIO-4
+	 * also PRM1 PRM2 & PRM4 are controlled by GPIO-1,GPIO-2 & GPIO-4
 	 * We assume that the reset has be held low long enough or we
 	 * have been reset by a power on.  When the driver is unloaded
 	 * reset set to 0 so if reloaded we have been reset.