[PATCH 1/3] arm: Implement show_boot_progress() for imx53's HSC and DDC devices

[sbabic at denx.de]

> This patch provides information regarding the boot stage with using LEDs.
> On the very beginning of U-Boot execution the GREEN LED is turned on.
> When the execution is passed to Linux kernel the GREEN LED is off and
> RED one is ON.
> Afterwards, when Linux takes over the execution, the "heartbeat" driver
> provides indication if the board is still alive.
> Please also note that this patch uses {set|clr}bits_le32 macros as turning
> ON GREEN LED is performed in a _very_ early stage of U-Boot execution
> before DM_GPIOs are initialized.
> Signed-off-by: Lukasz Majewski <lukma at denx.de>
Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

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