spi: bcm2835: Remove redundant semicolons

Remove unnecessary semicolons after comments.

Fixes: 3ecd37edaa2a6 ("spi: bcm2835: enable dma modes for transfers meeting certain conditions")
Signed-off-by: Liao Yuanhong <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Mark Brown <[e-mail]>

drivers/spi/spi-bcm2835.c

···
 	/* reset fifo and HW */
 	bcm2835_spi_reset_hw(bs);
 
-	/* and mark as completed */;
+	/* and mark as completed */
 	spi_finalize_current_transfer(ctlr);
 }