arm64: dts: qcom: ipq5332: enable the download mode support

Enable the support for download mode to collect the RAM dumps if
system crashes, to perform the post mortem analysis.

Signed-off-by: Kathiravan T <quic_kathirav@quicinc.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230210060401.24383-2-quic_kathirav@quicinc.com