sun9i: Basic sun9i (A80) support

Add initial sun9i (A80) support, only uart + mmc are supported for now.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
diff --git a/board/sunxi/Kconfig b/board/sunxi/Kconfig
index ca805e4..6f5fde9 100644
--- a/board/sunxi/Kconfig
+++ b/board/sunxi/Kconfig
@@ -59,6 +59,11 @@
 	select SUNXI_GEN_SUN6I
 	select SUPPORT_SPL
 
+config MACH_SUN9I
+	bool "sun9i (Allwinner A80)"
+	select CPU_V7
+	select SUNXI_GEN_SUN6I
+
 endchoice
 
 # The sun8i SoCs share a lot, this helps to avoid a lot of "if A23 || A33"
@@ -187,6 +192,7 @@
 	default "sun6i" if MACH_SUN6I
 	default "sun7i" if MACH_SUN7I
 	default "sun8i" if MACH_SUN8I
+	default "sun9i" if MACH_SUN9I
 
 config SYS_BOARD
 	default "sunxi"