sunxi: Add basic H3 support

Add initial sun8i H3 support, only uart + mmc are supported for now.

Signed-off-by: Jens Kuske <jenskuske@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
diff --git a/board/sunxi/Kconfig b/board/sunxi/Kconfig
index f6f2a60..e1f574f 100644
--- a/board/sunxi/Kconfig
+++ b/board/sunxi/Kconfig
@@ -68,6 +68,11 @@
 	select SUPPORT_SPL
 	select ARMV7_BOOT_SEC_DEFAULT if OLD_SUNXI_KERNEL_COMPAT
 
+config MACH_SUN8I_H3
+	bool "sun8i (Allwinner H3)"
+	select CPU_V7
+	select SUNXI_GEN_SUN6I
+
 config MACH_SUN9I
 	bool "sun9i (Allwinner A80)"
 	select CPU_V7
@@ -78,7 +83,7 @@
 # The sun8i SoCs share a lot, this helps to avoid a lot of "if A23 || A33"
 config MACH_SUN8I
 	bool
-	default y if MACH_SUN8I_A23 || MACH_SUN8I_A33
+	default y if MACH_SUN8I_A23 || MACH_SUN8I_A33 || MACH_SUN8I_H3
 
 
 config DRAM_CLK