Change in coreboot[master]: ec/google: Add RBHF, VBNL and CMPP method

[Varshit B Pandya (Code Review)]

Attention is currently required from: Subrata Banik, Rizwan Qureshi, Eric Lai.
Hello build bot (Jenkins), Subrata Banik, Rizwan Qureshi, Tim Wawrzynczak, Eric Lai,

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

https://review.coreboot.org/c/coreboot/+/64641

to look at the new patch set (#3).

Change subject: ec/google: Add RBHF, VBNL and CMPP method
......................................................................

ec/google: Add RBHF, VBNL and CMPP method

As per Intel Dynamic Tuning revision 1.3.13 add support for RBHF, VBNL
and CTYP under _SB.DPTF.TBAT device.
ec_fill_dptf_helpers() is used to generate all the helper function that
DPTF requires.

BUG=b:205928013
TEST=Build, boot brya0 and dump SSDT to check methods.

Method (RBHF, 0, Serialized)
{
    Local0 = _SB.PCI0.LPCB.EC0.RBHF /* External reference */
    Return (Local0)
}

Method (VBNL, 0, Serialized)
{
    Local0 = _SB.PCI0.LPCB.EC0.VBNL /* External reference */
    Return (Local0)
}

Method (CMPP, 0, Serialized)
{
    Local0 = _SB.PCI0.LPCB.EC0.CMPP /* External reference */
    Return (Local0)
}

Signed-off-by: Varshit B Pandya 
Change-Id: Ib85977889360dde2ccf00cd6895fffcc38ad4807
---
M src/ec/google/chromeec/acpi/ec.asl
M src/ec/google/chromeec/acpi/emem.asl
M src/ec/google/chromeec/ec_dptf_helpers.c
3 files changed, 31 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/41/64641/3