ARM: dts: qcom: ipq8064: add ipq8062 variant

ipq8062 SoC is based on ipq8064-v2.0 with lower supported freq, lack of
usb port and a reduced voltage output with the smb208 regulators.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220718161826.4943-2-ansuelsmth@gmail.com