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/mantis/mantis_uart.c b/drivers/media/dvb/mantis/mantis_uart.c
index 97b889e..f807c8b 100644
--- a/drivers/media/dvb/mantis/mantis_uart.c
+++ b/drivers/media/dvb/mantis/mantis_uart.c
@@ -172,7 +172,7 @@
 	mmwrite(mmread(MANTIS_UART_CTL) | MANTIS_UART_RXINT, MANTIS_UART_CTL);
 
 	schedule_work(&mantis->uart_work);
-	dprintk(MANTIS_DEBUG, 1, "UART succesfully initialized");
+	dprintk(MANTIS_DEBUG, 1, "UART successfully initialized");
 
 	return 0;
 }