[ramdisk] add cvitek pre-built ramdisk

Change-Id: Ic7d2046a23358129eaf621b5558984a64fa7361d

ramdisk/initramfs/glibc_riscv64/usr/include/bits/termios.h

@@ -0,0 +1,76 @@
+/* termios type and macro definitions.  Linux version.
+   Copyright (C) 1993-2019 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _TERMIOS_H
+# error "Never include <bits/termios.h> directly; use <termios.h> instead."
+#endif
+
+typedef unsigned char	cc_t;
+typedef unsigned int	speed_t;
+typedef unsigned int	tcflag_t;
+
+#include <bits/termios-struct.h>
+#include <bits/termios-c_cc.h>
+#include <bits/termios-c_iflag.h>
+#include <bits/termios-c_oflag.h>
+
+/* c_cflag bit meaning */
+#define  B0	0000000		/* hang up */
+#define  B50	0000001
+#define  B75	0000002
+#define  B110	0000003
+#define  B134	0000004
+#define  B150	0000005
+#define  B200	0000006
+#define  B300	0000007
+#define  B600	0000010
+#define  B1200	0000011
+#define  B1800	0000012
+#define  B2400	0000013
+#define  B4800	0000014
+#define  B9600	0000015
+#define  B19200	0000016
+#define  B38400	0000017
+#ifdef __USE_MISC
+# define EXTA B19200
+# define EXTB B38400
+#endif
+#include <bits/termios-baud.h>
+
+#include <bits/termios-c_cflag.h>
+#include <bits/termios-c_lflag.h>
+
+#ifdef __USE_MISC
+/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */
+# define TIOCSER_TEMT    0x01   /* Transmitter physically empty */
+#endif
+
+/* tcflow() and TCXONC use these */
+#define	TCOOFF		0
+#define	TCOON		1
+#define	TCIOFF		2
+#define	TCION		3
+
+/* tcflush() and TCFLSH use these */
+#define	TCIFLUSH	0
+#define	TCOFLUSH	1
+#define	TCIOFLUSH	2
+
+#include <bits/termios-tcflow.h>
+
+#include <bits/termios-misc.h>