Patch Set 6:

Cherry-picked this. On my DUT, it got stuck:

Starting depthcharge on Deltan...
WARNING: can't convert coreboot GPIOs, 'lid' won't be resampled at runtime!
WARNING: can't convert coreboot GPIOs, 'power' won't be resampled at runtime!
WARNING: can't convert coreboot GPIOs, 'EC in RW' won't be resampled at runtime!
BIOS MMAP details:
IFD Base Offset  : 0x1000000
IFD End Offset   : 0x2000000
MMAP Size        : 0x1000000
MMAP Start       : 0xff000000
Wilco EC [base 0x0940 emi 0x0950] flash 0x00001000-0x00100fff
Looking for NVMe Controller 0x32038558 @ 00:1d:00
Wipe memory regions:
        [0x00000000001000, 0x000000000a0000)
        [0x00000000100000, 0x00000030000000)
        [0x0000003263be20, 0x00000076a0f000)
        [0x00000100000000, 0x00000180400000)
xhci_wait_for_command: Command ring still running         ===> Stuck here forever!

That sounds irrational as the patch only disables TBT root ports BME. The "xhci_wait_for_command: Command ring still running;" refers to lippayload xhci's CRR check. On our sides, multiple DUT boot reliably to kernel either from nvme or usb after cherry-pick this patch.

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