arm64: defconfig: Enable devfreq support for i.MX8MQ

This is needed to make DRAM frequency scaling via defreq as used
on the Librem 5 and Librem 5 Devkit.

With the interconnect support enabled we now need imx devfreq on top
to make this work.

Signed-off-by: Guido Günther <agx@sigxcpu.org>
2 jobs for for-martin/dt-and-defconfig in 42 minutes and 40 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Build
failed #319625
librem5
build:aarch64:defconfig

00:42:40

 
  Package
skipped #319626
librem5
pkg:aarch64:defconfig
 
Name Stage Failure
failed
build:aarch64:defconfig Build
  LD [M]  drivers/gpu/drm/sun4i/sun8i-mixer.ko
aarch64-linux-gnu-ld: final link failed: No space left on device
make[2]: *** [scripts/Makefile.modfinal:65: drivers/gpu/drm/msm/msm.ko] Error 1
make[2]: *** Waiting for unfinished jobs....
aarch64-linux-gnu-ld: final link failed: No space left on device
make[2]: *** [scripts/Makefile.modfinal:65: drivers/gpu/drm/nouveau/nouveau.ko] Error 1
make[1]: *** [scripts/Makefile.modpost:138: __modpost] Error 2
make: *** [Makefile:1410: modules] Error 2
ERROR: Job failed: exit code 1