rockchip: rk3566-anbernic-rgxx3: Rename defconfig to include SoC name

Rename defconfig to include SoC name, use similar pattern as other
RK356x boards: <soc>-<name>.dts -> <name>-<soc>_defconfig

Suggested-by: Kever Yang <kever.yang@rock-chips.com>
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/board/anbernic/rgxx3_rk3566/MAINTAINERS b/board/anbernic/rgxx3_rk3566/MAINTAINERS
index 6be16a4..7970e5a 100644
--- a/board/anbernic/rgxx3_rk3566/MAINTAINERS
+++ b/board/anbernic/rgxx3_rk3566/MAINTAINERS
@@ -3,7 +3,7 @@
 S:	Maintained
 F:	board/anbernic/rgxx3_rk3566
 F:	include/configs/anbernic-rgxx3-rk3566.h
-F:	configs/anbernic-rgxx3_defconfig
+F:	configs/anbernic-rgxx3-rk3566_defconfig
 F:	arch/arm/dts/rk3566-anbernic-rgxx3.dts
 F:	arch/arm/dts/rk3566-anbernic-rgxx3.dtsi
 F:	arch/arm/dts/rk3566-anbernic-rgxx3-u-boot.dtsi
diff --git a/configs/anbernic-rgxx3_defconfig b/configs/anbernic-rgxx3-rk3566_defconfig
similarity index 100%
rename from configs/anbernic-rgxx3_defconfig
rename to configs/anbernic-rgxx3-rk3566_defconfig
diff --git a/doc/board/rockchip/rockchip.rst b/doc/board/rockchip/rockchip.rst
index 4668e59..de9fe8e 100644
--- a/doc/board/rockchip/rockchip.rst
+++ b/doc/board/rockchip/rockchip.rst
@@ -91,7 +91,7 @@
      - Theobroma Systems RK3399-Q7 SoM - Puma (puma_rk3399)
 
 * rk3566
-     - Anbernic RGxx3 (anbernic-rgxx3)
+     - Anbernic RGxx3 (anbernic-rgxx3-rk3566)
      - Pine64 Quartz64-A Board (quartz64-a-rk3566)
      - Pine64 Quartz64-B Board (quartz64-b-rk3566)
      - Pine64 SOQuartz on Blade (soquartz-blade-rk3566)