I have an Getac B360 Laptop with these Specs:

sudo lspci -tvnn
-[0000:00]-+-00.0  Intel Corporation Comet Lake-U v1 4c Host Bridge/DRAM Controller [8086:9b61]
          +-02.0  Intel Corporation UHD Graphics [8086:9b41]
          +-12.0  Intel Corporation Comet Lake Thermal Subsytem [8086:02f9]
          +-13.0  Intel Corporation Comet Lake Integrated Sensor Solution [8086:02fc]
          +-14.0  Intel Corporation Comet Lake PCH-LP USB 3.1 xHCI Host Controller [8086:02ed]
          +-14.2  Intel Corporation Comet Lake PCH-LP Shared SRAM [8086:02ef]
          +-15.0  Intel Corporation Serial IO I2C Host Controller [8086:02e8]
          +-15.1  Intel Corporation Comet Lake Serial IO I2C Host Controller [8086:02e9]
          +-15.2  Intel Corporation Device [8086:02ea]
          +-16.0  Intel Corporation Comet Lake Management Engine Interface [8086:02e0]
          +-17.0  Intel Corporation Comet Lake SATA AHCI Controller [8086:02d3]
          +-1c.0-[01]----00.0  Realtek Semiconductor Co., Ltd. RTS522A PCI Express Card Reader [10ec:522a]
          +-1c.7-[02]----00.0  Intel Corporation Wi-Fi 6 AX200 [8086:2723]
          +-1d.0-[03-07]--
          +-1d.4-[08]----00.0  Sandisk Corp WD Black 2019/PC SN750 NVMe SSD [15b7:5006]
          +-1f.0  Intel Corporation Comet Lake PCH-LP LPC Premium Controller/eSPI Controller [8086:0284]
          +-1f.3  Intel Corporation Comet Lake PCH-LP cAVS [8086:02c8]
          +-1f.4  Intel Corporation Comet Lake PCH-LP SMBus Host Controller [8086:02a3]
          +-1f.5  Intel Corporation Comet Lake SPI (flash) Controller [8086:02a4]
          \-1f.6  Intel Corporation Ethernet Connection (6) I219-LM [8086:15bd]

I didnt find Comet Lake on you Motherboard site.
There are a number of Comet Lake based boards in the current coreboot master branch and I am about 95% through working on another one.

-Andy.