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/b2c2/flexcop-pci.c b/drivers/media/dvb/b2c2/flexcop-pci.c
index 227c020..9552540 100644
--- a/drivers/media/dvb/b2c2/flexcop-pci.c
+++ b/drivers/media/dvb/b2c2/flexcop-pci.c
@@ -58,7 +58,7 @@
 
 	int active_dma1_addr; /* 0 = addr0 of dma1; 1 = addr1 of dma1 */
 	u32 last_dma1_cur_pos;
-	/* position of the pointer last time the timer/packet irq occured */
+	/* position of the pointer last time the timer/packet irq occurred */
 	int count;
 	int count_prev;
 	int stream_problem;