clk: sunxi: Implement UART clocks

Implement UART clocks for all Allwinner SoC
clock drivers via ccu clock gate table.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
diff --git a/drivers/clk/sunxi/clk_h3.c b/drivers/clk/sunxi/clk_h3.c
index 9ee5c33..69c2aa3 100644
--- a/drivers/clk/sunxi/clk_h3.c
+++ b/drivers/clk/sunxi/clk_h3.c
@@ -23,6 +23,11 @@
 	[CLK_BUS_OHCI2]		= GATE(0x060, BIT(30)),
 	[CLK_BUS_OHCI3]		= GATE(0x060, BIT(31)),
 
+	[CLK_BUS_UART0]		= GATE(0x06c, BIT(16)),
+	[CLK_BUS_UART1]		= GATE(0x06c, BIT(17)),
+	[CLK_BUS_UART2]		= GATE(0x06c, BIT(18)),
+	[CLK_BUS_UART3]		= GATE(0x06c, BIT(19)),
+
 	[CLK_USB_PHY0]		= GATE(0x0cc, BIT(8)),
 	[CLK_USB_PHY1]		= GATE(0x0cc, BIT(9)),
 	[CLK_USB_PHY2]		= GATE(0x0cc, BIT(10)),