asus-wmi: don't update power and brightness when using scalar
asus-wmi: don't update power and brightness when using scalar

But we can still do it on other boards, as this might happen
if the backlight driver change when update_bl is called.

Signed-off-by: Corentin Chary <4153b5fcec9d8639b77e759711dc8338f0db8708@gmail.com>
Signed-off-by: Matthew Garrett <4cf8d479716eba9bc68e0146d95320fcb138b96b@redhat.com>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs