ARM: sunxi: move board/sunxi/Kconfig to arch/arm/mach-sunxi/Kconfig

For the consistent location of SoC-level Kconfig.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 42f93b4..07fd1e0 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1226,6 +1226,8 @@
 
 source "arch/arm/mach-stm32/Kconfig"
 
+source "arch/arm/mach-sunxi/Kconfig"
+
 source "arch/arm/mach-tegra/Kconfig"
 
 source "arch/arm/mach-uniphier/Kconfig"
@@ -1311,7 +1313,6 @@
 source "board/spear/spear600/Kconfig"
 source "board/spear/x600/Kconfig"
 source "board/st/stv0991/Kconfig"
-source "board/sunxi/Kconfig"
 source "board/syteco/zmx25/Kconfig"
 source "board/tcl/sl50/Kconfig"
 source "board/ti/am335x/Kconfig"