[PATCH] imx: syscounter: support timer_get_boot_us

[sbabic at denx.de]

> With supporting timer_get_boot_us, we can profile boot up time with below
> configs and function bootstage_mark_name().
> CONFIG_BOOTSTAGE=y
> CONFIG_BOOTSTAGE_REPORT=y
> CONFIG_CMD_BOOTSTAGE=y
> Signed-off-by: Jun Nie <jun.nie at linaro.org>
> Acked-by: Shawn Guo <shawn.guo at linaro.org>
> Reviewed-by: Fabio Estevam <festevam at denx.de>
Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

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