ARM: sunxi: Add basic A23 support

The basic blocks of the A23 are similar to the A31 (sun6i). Re-use
sun6i code for initial clock, gpio, and uart setup.

There is no SPL support for A23, as we do not have any documentation
or sample code for DRAM initialization.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
diff --git a/arch/arm/include/asm/arch-sunxi/clock.h b/arch/arm/include/asm/arch-sunxi/clock.h
index 8f5d860..012c2af 100644
--- a/arch/arm/include/asm/arch-sunxi/clock.h
+++ b/arch/arm/include/asm/arch-sunxi/clock.h
@@ -15,7 +15,7 @@
 #define CLK_GATE_CLOSE			0x0
 
 /* clock control module regs definition */
-#ifdef CONFIG_SUN6I
+#if defined(CONFIG_SUN6I) || defined(CONFIG_SUN8I)
 #include <asm/arch/clock_sun6i.h>
 #else
 #include <asm/arch/clock_sun4i.h>