CLK: TI: gate: add composite interface clock to OMAP2 only build

Composite interface clock is needed by OMAP2, but it was only built
in for OMAP3. Fixed the conditional build flag checks for this.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
diff --git a/drivers/clk/ti/gate.c b/drivers/clk/ti/gate.c
index 3e2999d..474c171 100644
--- a/drivers/clk/ti/gate.c
+++ b/drivers/clk/ti/gate.c
@@ -185,7 +185,7 @@
 CLK_OF_DECLARE(ti_composite_no_wait_gate_clk, "ti,composite-no-wait-gate-clock",
 	       of_ti_composite_no_wait_gate_clk_setup);
 
-#ifdef CONFIG_ARCH_OMAP3
+#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
 static void __init of_ti_composite_interface_clk_setup(struct device_node *node)
 {
 	_of_ti_composite_gate_clk_setup(node, &clkhwops_iclk_wait);