ARM: imx6q: add vdoa gate clock

Add the missing vdoa gate clock for imx6q.
Signed-off-by: NShawn Guo <shawn.guo@linaro.org>

Documentation/devicetree/bindings/clock/imx6q-clock.txt

@@ -214,6 +214,7 @@ clocks and IDs.
 	cko2_podf      		199
 	cko2      		200
 	cko      		201
+	vdoa      		202
 
 Examples:
 

arch/arm/mach-imx/clk-imx6q.c

@@ -251,7 +251,7 @@ enum mx6q_clks {
 	ssi2_ipg, ssi3_ipg, rom, usbphy1, usbphy2, ldb_di0_div_3_5, ldb_di1_div_3_5,
 	sata_ref, sata_ref_100m, pcie_ref, pcie_ref_125m, enet_ref, usbphy1_gate,
 	usbphy2_gate, pll4_post_div, pll5_post_div, pll5_video_div, eim_slow,
-	spdif, cko2_sel, cko2_podf, cko2, cko, clk_max
+	spdif, cko2_sel, cko2_podf, cko2, cko, vdoa, clk_max
 };
 
 static struct clk *clk[clk_max];
@@ -501,6 +501,7 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
 	clk[i2c3]         = imx_clk_gate2("i2c3",          "ipg_per",           base + 0x70, 10);
 	clk[iim]          = imx_clk_gate2("iim",           "ipg",               base + 0x70, 12);
 	clk[enfc]         = imx_clk_gate2("enfc",          "enfc_podf",         base + 0x70, 14);
+	clk[vdoa]         = imx_clk_gate2("vdoa",          "vdo_axi",           base + 0x70, 26);
 	clk[ipu1]         = imx_clk_gate2("ipu1",          "ipu1_podf",         base + 0x74, 0);
 	clk[ipu1_di0]     = imx_clk_gate2("ipu1_di0",      "ipu1_di0_sel",      base + 0x74, 2);
 	clk[ipu1_di1]     = imx_clk_gate2("ipu1_di1",      "ipu1_di1_sel",      base + 0x74, 4);