ARM: shmobile: r8a73a4: add pll clocks

PLL clocks are basis clock for other clock.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --cc arch/arm/mach-shmobile/clock-r8a73a4.c
Simple merge