ARM: dts: qcom: apq8026-lg-lenok: add missing reserved memory

Turns out these two memory regions also need to be avoided, otherwise
weird things will happen when Linux tries to use this memory.

Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230308-lenok-reserved-memory-v1-1-b8bf6ff01207@z3ntu.xyz