linux-wandboard

cpufreq: imx7: fix undefined reference to arm_reg and soc_reg

This fixes the following build issue on i.MX 7:

arch/arm/mach-imx/built-in.o: In function `imx6ull_lower_cpu_rate':
platform-imx-dma.c:(.text+0x5514): undefined reference to `arm_reg'
platform-imx-dma.c:(.text+0x551c): undefined reference to `arm_reg'
platform-imx-dma.c:(.text+0x553c): undefined reference to `soc_reg'
platform-imx-dma.c:(.text+0x5544): undefined reference to `soc_reg'
platform-imx-dma.c:(.text+0x5598): undefined reference to `arm_reg'
platform-imx-dma.c:(.text+0x55a0): undefined reference to `arm_reg'
platform-imx-dma.c:(.text+0x55ac): undefined reference to `soc_reg'
platform-imx-dma.c:(.text+0x55b4): undefined reference to `soc_reg'
platform-imx-dma.c:(.text+0x55c8): undefined reference to `soc_reg'
platform-imx-dma.c:(.text+0x55d0): undefined reference to `soc_reg'
platform-imx-dma.c:(.text+0x55f0): undefined reference to `arm_reg'
platform-imx-dma.c:(.text+0x55f8): undefined reference to `arm_reg'

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>