ARM: sunxi: fix the core number of V3s in sunxi README

The Allwinner V3s SoC is not quad-core, but single-core.

Fix this in the README file.

Fixes: b074fede ("arm: sunxi: add support for V3s SoC")
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

Documentation/arm/sunxi/README

@@ -33,6 +33,11 @@ SunXi family
 
       - Next Thing Co GR8 (sun5i)
 
+    * Single ARM Cortex-A7 based SoCs
+      - Allwinner V3s (sun8i)
+        + Datasheet
+          http://linux-sunxi.org/File:Allwinner_V3s_Datasheet_V1.0.pdf
+
     * Dual ARM Cortex-A7 based SoCs
       - Allwinner A20 (sun7i)
         + User Manual
@@ -71,10 +76,6 @@ SunXi family
         + Datasheet
           http://dl.linux-sunxi.org/H3/Allwinner_H3_Datasheet_V1.0.pdf
 
-      - Allwinner V3s (sun8i)
-        + Datasheet
-          http://linux-sunxi.org/File:Allwinner_V3s_Datasheet_V1.0.pdf
-
     * Quad ARM Cortex-A15, Quad ARM Cortex-A7 based SoCs
       - Allwinner A80
         + Datasheet