ARM: dts: sun5i: A10s: Remove empty SRAM node

The SRAM node in the A10s DTSI is empty, remove it.
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>

arch/arm/boot/dts/sun5i-a10s.dtsi

@@ -159,9 +159,6 @@ spi2_cs0_pb_pin: spi2-cs0-pb-pin {
 	};
 };
 
-&sram_a {
-};
-
 &tcon0_out {
 	tcon0_out_hdmi: endpoint@2 {
 		reg = <2>;