arm64: dts: qcom: sm8250: Fix pcie2_lane unit address

[ Upstream commit dc2f8636

 ]

The previous one was likely a mistaken copy from pcie1_lane.

Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Link: https://lore.kernel.org/r/20210613185334.306225-1-konrad.dybcio@somainline.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>