Add wlan dts property qcom,pcie_switch_type to mark the wlan chip
is attached on the PCIe switch NTN3. If it's PCIE_SWITCH_NTN3, cnss
driver will enable/disable accordingly PCIe switch dsp link when
power on and shutdown wlan chip.
Change-Id: I48bb56879d5c00f05d0b4e62888027c435f861ee
CRs-Fixed: 3878342