This patch solves above warning

${LINUX}/drivers/sh/clk/cpg.c:404:6: warning: \
unused variable 'val' [-Wunused-variable]
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms@verge.net.au>