Change in coreboot[master]: mb/google/brya/var/vell: increase RFI Spread Spectrum to 6%

[Felix Held (Code Review)]

Felix Held has submitted this change. ( https://review.coreboot.org/c/coreboot/+/63440 )

Change subject: mb/google/brya/var/vell: increase RFI Spread Spectrum to 6%
......................................................................

mb/google/brya/var/vell: increase RFI Spread Spectrum to 6%

Increase RFI Spread Spectrum to 6% for Vell as RF team request. The
default of Spread Spectrum in FSP is 1.5%, and set 1.5% in baseboard
as default.

BUG=b:228929196
TEST=emerge-brya coreboot and pass RF test as before

Change-Id: I7cdca8f51ad18f4ab03e4e6c744b60da68263ce2
Signed-off-by: Robert Chen 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63440
Tested-by: build bot (Jenkins) 
Reviewed-by: Tim Wawrzynczak 
---
M src/mainboard/google/brya/variants/vell/overridetree.cb
1 file changed, 3 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Tim Wawrzynczak: Looks good to me, approved

diff --git a/src/mainboard/google/brya/variants/vell/overridetree.cb b/src/mainboard/google/brya/variants/vell/overridetree.cb
index fd5f27a..a2fe72d 100644
--- a/src/mainboard/google/brya/variants/vell/overridetree.cb
+++ b/src/mainboard/google/brya/variants/vell/overridetree.cb
@@ -71,6 +71,9 @@
    register "usb2_ports[6]" = "USB2_PORT_MID(OC_SKIP)"
    register "sagv" = "SaGv_Enabled"

+	# FIVR RFI Spread Spectrum 6%
+	register "fivr_spread_spectrum" = "FIVR_SS_6"
+
    # I2C Port Config
    register "serial_io_i2c_mode" = "{
    	[PchSerialIoIndexI2C0] = PchSerialIoPci,