ARM: dts: gr-peach: Remove empty line

Remove an empty line in gr-peach device tree source file.

Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>