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 --cc arch/arm/mach-omap2/clock.c
Simple merge

diff --cc drivers/clk/ti/clk-2xxx.c
Simple merge

diff --cc drivers/clk/ti/clk-33xx.c
Simple merge

diff --cc drivers/clk/ti/clk-3xxx.c
Simple merge

diff --cc drivers/clk/ti/clk-816x.c
Simple merge

diff --cc drivers/clk/ti/clk.c
Simple merge

diff --cc drivers/clk/ti/clock.h
Simple merge

diff --cc include/linux/clk/ti.h
Simple merge