Add a driver for the designware serial UART used on sunxi. This just
redirects to the normal ns16550 driver.

Add a stdout-path to the device tree so that the correct UART is chosen.

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>

While at it, sort them.

Cc: Tom Rini <trini@ti.com>
Cc: Simon Glass <sjg@chromium.org>
Signed-off-by: Jeroen Hofstee <jeroen@myspectrum.nl>

The baud rate setting of external clock is enabled.

Signed-off-by: Hisashi Nakamura <hisashi.nakamura.ak@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>

This adds the preset value to register for R8A7793.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>

Without .pending handler, tstc() function always returns 1.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>

Fix a trivial conflict over adding <dm.h>

Conflicts:
	arch/arm/cpu/armv7/omap3/board.c

Signed-off-by: Tom Rini <trini@ti.com>

Signed-off-by: Jeroen Hofstee <jeroen@myspectrum.nl>