ARM: mach-shmobile: ap4evb: fixup clk_put timing of fsib_clk

fsib_clk will be used when fdiv_clk failed on fsi_hdmi_set_rate.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>