board: starqltechn: Align DT node overrides with sdm845.dtsi

Currently there is a mismatch among DT node overrides in starqltechn
board DTS file and the actual DT nodes in the sdm845.dtsi. So fix that
to align with DT nodes in sdm845.dtsi.

Signed-off-by: Sumit Garg <sumit.garg@linaro.org>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>