imx: imx6ull: fix pinmux input_val for uart5 rx pin

just try to bring up an imx6ull board with console
on uart5 and found, that input_val for pin
MX6UL_PAD_UART5_RX_DATA__UART5_DCE_RX is 7 and
not 5

imx: imx6ull: fix pinmux input_val for uart5 rx pin

just try to bring up an imx6ull board with console
on uart5 and found, that input_val for pin
MX6UL_PAD_UART5_RX_DATA__UART5_DCE_RX is 7 and
not 5 on imx6ull.

With this patch rx works now.

Signed-off-by: Heiko Schocher <hs@denx.de>

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imx: add macro to detect whether USB has been initialized

This macro allows to detect whether the boot ROM initialized USB
already (serial downloader). This is helpful to reliably detect
if the syst

imx: add macro to detect whether USB has been initialized

This macro allows to detect whether the boot ROM initialized USB
already (serial downloader). This is helpful to reliably detect
if the system has been recovered via USB serial downloader.

Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>

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