FROMGIT: arm64: dts: qcom: pm8150l: add Light Pulse Generator device node

Add device node defining LPG/PWM block on PM8150L PMIC chip.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220505145102.1432670-3-dmitry.baryshkov@linaro.org
(cherry picked from commit 3e48f7428c1e8a4cf2477489d6d0e400c41df28f
 git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux.git

 for-next)
Signed-off-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
Signed-off-by: Ondrej Kubik <ondrej.kubik@canonical.com>