[M] Change in coreboot[master]: mb/google/rex/variants/ovis: Add USB and TCSS configuration

[Jakub Czapiga (Code Review)]

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

Jakub Czapiga has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/75578?usp=email )

Change subject: mb/google/rex/variants/ovis: Add USB and TCSS configuration
......................................................................

Patch Set 6:

(2 comments)

Patchset:

PS5:
> TCSS 0/1 use dma0, TCSS 2/3 use dma1. You can find this in Intel doc.

Done

File src/mainboard/google/rex/variants/ovis/overridetree.cb:

https://review.coreboot.org/c/coreboot/+/75578/comment/8a5b3237_7b8d1037 :
PS1, Line 89: 		device ref tcss_dma0 on
            : 			chip drivers/intel/usb4/retimer
            : 				register "dfp[0].power_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_B22)"
            : 				use tcss_usb3_port1 as dfp[0].typec_port
            : 				device generic 0 on end
            : 			end
            : 		end
            : 		device ref tcss_dma1 on
            : 			chip drivers/intel/usb4/retimer
            : 				register "dfp[0].power_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_B22)"
            : 				use tcss_usb3_port2 as dfp[0].typec_port
            : 				device generic 0 on end
            : 			end
            : 		end
> We can but it will not have any impact because the retimer chip driver is not using the device ID. […]

Thank you!