sunxi: Fix watchdog reset function for R40

The watchdog found on the R40 SoC is the older variant found on the A20.
Add the proper "#if defines" to make it work.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
diff --git a/arch/arm/include/asm/arch-sunxi/timer.h b/arch/arm/include/asm/arch-sunxi/timer.h
index a665309..ccdf942 100644
--- a/arch/arm/include/asm/arch-sunxi/timer.h
+++ b/arch/arm/include/asm/arch-sunxi/timer.h
@@ -67,7 +67,7 @@
 	struct sunxi_timer timer[6];	/* We have 6 timers */
 	u8 res2[16];
 	struct sunxi_avs avs;
-#ifdef CONFIG_SUNXI_GEN_SUN4I
+#if defined(CONFIG_SUNXI_GEN_SUN4I) || defined(CONFIG_MACH_SUN8I_R40)
 	struct sunxi_wdog wdog;	/* 0x90 */
 	/* XXX the following is not accurate for sun5i/sun7i */
 	struct sunxi_64cnt cnt64;	/* 0xa0 */
@@ -77,8 +77,7 @@
 	struct sunxi_tgp tgp[4];
 	u8 res5[8];
 	u32 cpu_cfg;
-#endif
-#ifdef CONFIG_SUNXI_GEN_SUN6I
+#elif defined(CONFIG_SUNXI_GEN_SUN6I)
 	u8 res3[16];
 	struct sunxi_wdog wdog[5];	/* We have 5 watchdogs */
 #endif