[U-Boot] [PATCH] mxs: Use __weak annotation to simplify code

[Marek Vasut]

Dear Fabio Estevam,

> Using the __weak annotation can make the code cleaner.
> 
> Signed-off-by: Fabio Estevam <fabio.estevam at freescale.com>

Acked-by: Marek Vasut <marex at denx.de>

Best regards,
Marek Vasut