[U-Boot] gpio: stm32f7: replace ODR update by BSRR write

[Tom Rini]

On Thu, Aug 09, 2018 at 11:57:57AM +0200, Patrice Chotard wrote:

> Replace clrsetbits on ODR register (2 operations: one read + one write)
> by writing on the correct bit (SET or RESET) of the BSRR register
> (only 1 write operation).
> 
> Moreover this register if safe for simultaneous access by 2 master on
> the bus.
> 
> Signed-off-by: Patrick Delaunay <patrick.delaunay at st.com>
> Signed-off-by: Patrice Chotard <patrice.chotard at st.com>

Applied to u-boot/master, thanks!

-- 
Tom
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