cmd: conitrace: increase wait for next key

At 9600 baud or less a 1 ms wait is too short to detect the end of an
escape sequence.

Increase the wait duration to 10 ms which will work down to 1200 baud.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>

cmd/conitrace.c

@@ -30,8 +30,8 @@ static int do_conitrace(struct cmd_tbl *cmdtp, int flag, int argc,
 		printf("%02x ", c);
 		first = false;
 
-		/* 1 ms delay - serves to detect separate keystrokes */
-		udelay(1000);
+		/* 10 ms delay - serves to detect separate keystrokes */
+		udelay(10000);
 		if (!tstc()) {
 			printf("\n");
 			first = true;