clk: ti: omap2430: move clock support code under clock driver

With the legacy clock support gone, this is no longer needed under
platform code-base. Thus, move this under the TI clock driver, and
remove the exported API from the public header.

Signed-off-by: Tero Kristo <t-kristo@ti.com>

diff --cc arch/arm/mach-omap2/Makefile
Simple merge

diff --cc arch/arm/mach-omap2/clock2430.c
Simple merge

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

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

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