linux-phytec-fsl

MLK-13583 ARM: imx: fix build warning on i.mx7ulp clock driver

This patch fixes below build warning:

CC      arch/arm/mach-imx/clk-imx7ulp.o
LD      init/built-in.o
arch/arm/mach-imx/clk-imx7ulp.c:42:20: warning: 'cm4_periph_plat_sels' defined but not used [-Wunused-variable]
LD      arch/arm/mach-imx/built-in.o
CC      kernel/module.o
GZIP    kernel/config_data.gz

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>