arm64: dts: qcom: x1e80100-lenovo-yoga-slim7x: enable MICs LDO

Particular device comes without headset combo jack, hence does not
feature wcd codec IC. In such cases, DMICs are powered from vreg_l1b.
Describe all 4 microphones in the audio routing. vdd-micb is defined
for lpass-macro already.

Signed-off-by: Aleksandrs Vinarskis <alex.vinarskis@gmail.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250412124956.20562-1-alex.vinarskis@gmail.com


Signed-off-by: Bjorn Andersson <andersson@kernel.org>