clk: sunxi: Implement UART resets

Implement UART resets for all relevant Allwinner SoC
clock drivers via ccu reset table.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
diff --git a/drivers/clk/sunxi/clk_v3s.c b/drivers/clk/sunxi/clk_v3s.c
index a268786..25ad875 100644
--- a/drivers/clk/sunxi/clk_v3s.c
+++ b/drivers/clk/sunxi/clk_v3s.c
@@ -26,6 +26,10 @@
 	[RST_USB_PHY0]		= RESET(0x0cc, BIT(0)),
 
 	[RST_BUS_OTG]		= RESET(0x2c0, BIT(24)),
+
+	[RST_BUS_UART0]		= RESET(0x2d8, BIT(16)),
+	[RST_BUS_UART1]		= RESET(0x2d8, BIT(17)),
+	[RST_BUS_UART2]		= RESET(0x2d8, BIT(18)),
 };
 
 static const struct ccu_desc v3s_ccu_desc = {