[M] Change in coreboot[master]: mb/google/rex: Add MPTS method for WWAN over PCIe

[Subrata Banik (Code Review)]

Attention is currently required from: Tarun Tuli, Subrata Banik, Kapil Porwal.

Hello build bot (Jenkins), Tarun Tuli, Kapil Porwal, Eric Lai,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/70229

to look at the new patch set (#2).

Change subject: mb/google/rex: Add MPTS method for WWAN over PCIe
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mb/google/rex: Add MPTS method for WWAN over PCIe

This patch generates the following for the mainboard:

Scope (_SB)
{
        Method (MPTS, 1, Serialized)
        {
            Local0 = _SB.PCI0.RP06.RTD3._STA ()
            If ((Local0 == One))
            {
                _SB.PCI0.RP06.PXSX.DPTS (Arg0)
            }
        }
}

Change-Id: I27ade63cfe0586aee9f03ba816b2590f14dcb610
Signed-off-by: Subrata Banik 
---
M src/mainboard/google/rex/mainboard.c
M src/mainboard/google/rex/variants/rex0/overridetree.cb
2 files changed, 63 insertions(+), 3 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/29/70229/2