drivers: tty: serial: sh-sci: fix spelling typo of 'wheter'

wheter -> whether

Signed-off-by: Wang Qing <wangqing@vivo.com>
Link: https://lore.kernel.org/r/1615345622-2015-1-git-send-email-wangqing@vivo.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/serial/sh-sci.c

@@ -2124,7 +2124,7 @@ static void sci_break_ctl(struct uart_port *port, int break_state)
 	unsigned short scscr, scsptr;
 	unsigned long flags;
 
-	/* check wheter the port has SCSPTR */
+	/* check whether the port has SCSPTR */
 	if (!sci_getreg(port, SCSPTR)->size) {
 		/*
 		 * Not supported by hardware. Most parts couple break and rx