soc: qcom: pmic: Fix resource leaks in a device_for_each_child_node() loop

The device_for_each_child_node loop should call fwnode_handle_put()
before return in the error cases, to avoid resource leaks.

Let's fix this bug in pmic_glink_altmode_probe().

Signed-off-by: Lu Hongfei <luhongfei@vivo.com>
Link: https://lore.kernel.org/r/20230612133452.47315-1-luhongfei@vivo.com


[bjorn: Rebased patch, moved fw_handle_put() from jump target into the loop]
Signed-off-by: Bjorn Andersson <andersson@kernel.org>