Add label properties to all XOADC ADC channel nodes in the PM8921 PMIC device tree. This allows userspace and drivers to identify channels by name rather than relying on datasheet name. Acked-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com> Signed-off-by: Antony Kurniawan Soemardi <linux@smankusors.com> Link: https://lore.kernel.org/r/20260510-pm8xxx-xoadc-label-v6-2-49700fd03005@smankusors.com Signed-off-by: Bjorn Andersson <andersson@kernel.org>