sunxi: use sun6i-style watchdog for H6

The H6 SoC has a sun6i-style watchdog in its timer part.

Enable the usage of it.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Reviewed-by: Jagan Teki <jagan@openedev.com>
Tested-by: Jagan Teki <jagan@amarulasolutions.com>

arch/arm/include/asm/arch-sunxi/timer.h

@@ -76,7 +76,7 @@ struct sunxi_timer_reg {
 	struct sunxi_tgp tgp[4];
 	u8 res5[8];
 	u32 cpu_cfg;
-#elif defined(CONFIG_SUNXI_GEN_SUN6I)
+#elif defined(CONFIG_SUNXI_GEN_SUN6I) || defined(CONFIG_MACH_SUN50I_H6)
 	u8 res3[16];
 	struct sunxi_wdog wdog[5];	/* We have 5 watchdogs */
 #endif

arch/arm/mach-sunxi/board.c

@@ -282,7 +282,7 @@ void reset_cpu(ulong addr)
 		/* sun5i sometimes gets stuck without this */
 		writel(WDT_MODE_RESET_EN | WDT_MODE_EN, &wdog->mode);
 	}
-#elif defined(CONFIG_SUNXI_GEN_SUN6I)
+#elif defined(CONFIG_SUNXI_GEN_SUN6I) || defined(CONFIG_MACH_SUN50I_H6)
 	static const struct sunxi_wdog *wdog =
 		 ((struct sunxi_timer_reg *)SUNXI_TIMER_BASE)->wdog;