ARM: dts: qcom: apq8026-lg-lenok: Enable ADSP

Configure the reserved memory for ADSP and enable it.

Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220423155059.660387-5-luca@z3ntu.xyz