ARM: shmobile: kzm9d: Use common clock framework

Use common clock framework version of clock
 drivers/clk/shmobile/clk-emev2.c
instead of sh-clkfwk version
 arch/arm/mach-shmobile/clock-emev2.c
when it is configured as a part of multi-platform.

Signed-off-by: Takashi Yoshii <takasi-y@ops.dti.ne.jp>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>