[PATCH] ethernet: dwmac-stm32: Fix copyright

[David Miller]

From: Benjamin Gaignard <benjamin.gaignard at linaro.org>
Date: Wed, 29 Nov 2017 15:20:00 +0100

> Uniformize STMicroelectronics copyrights header
> 
> Signed-off-by: Benjamin Gaignard <benjamin.gaignard at st.com>

Applied.