arm64: config: librem5: Enable HKS rfkill

Signed-off-by: Guido Günther <guido.gunther@puri.sm>
2 jobs for mrs/rfkill in 64 minutes and 33 seconds
Status Job ID Name Coverage
  Build
passed #327891
librem5
build:aarch64

00:53:46

passed #327892
librem5:arm64
build:deb

01:04:31