Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/drivers/usb/host/fhci-hcd.c b/drivers/usb/host/fhci-hcd.c
index b84ff7e..19223c7 100644
--- a/drivers/usb/host/fhci-hcd.c
+++ b/drivers/usb/host/fhci-hcd.c
@@ -401,7 +401,7 @@
 		/* 1 td fro setup,1 for ack */
 		size = 2;
 	case PIPE_BULK:
-		/* one td for every 4096 bytes(can be upto 8k) */
+		/* one td for every 4096 bytes(can be up to 8k) */
 		size += urb->transfer_buffer_length / 4096;
 		/* ...add for any remaining bytes... */
 		if ((urb->transfer_buffer_length % 4096) != 0)