clk: ti: move omap2_clk_enable_init_clocks under clock driver

This is no longer used outside clock driver, so move it under the driver
and remove the export for it from the global header file.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
diff --git a/drivers/clk/ti/clk-3xxx.c b/drivers/clk/ti/clk-3xxx.c
index 757636d..bb3b883 100644
--- a/drivers/clk/ti/clk-3xxx.c
+++ b/drivers/clk/ti/clk-3xxx.c
@@ -19,6 +19,7 @@
 #include <linux/clk-provider.h>
 #include <linux/clk/ti.h>
 
+#include "clock.h"
 
 static struct ti_dt_clk omap3xxx_clks[] = {
 	DT_CLK(NULL, "apb_pclk", "dummy_apb_pclk"),