[U-Boot] [U-Boot, 1/2] arm64: use xzr to zero-out the bss section

[Tom Rini]

On Fri, Jan 27, 2017 at 04:15:29PM +0900, Masahiro Yamada wrote:

> AArch64 has a zero register (xzr).  Use it instead of x2.
> 
> Signed-off-by: Masahiro Yamada <yamada.masahiro at socionext.com>
> Reviewed-by: Simon Glass <sjg at chromium.org>

Applied to u-boot/master, thanks!

-- 
Tom
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