[XS] Change in coreboot[master]: mb/google/rex/var/screebo: Change sdcard clk from 7 to 6

[Subrata Banik (Code Review)]

Subrata Banik has submitted this change. ( https://review.coreboot.org/c/coreboot/+/77023?usp=email )

Change subject: mb/google/rex/var/screebo: Change sdcard clk from 7 to 6
......................................................................

mb/google/rex/var/screebo: Change sdcard clk from 7 to 6

Update firmware to reflect schematics change for SD Card CLKSRC
from 7 to 6 for EVT board revision

BUG=b:291051683
TEST=emerge-rex coreboot

Change-Id: I3347f739650458c833d5a825742cf1d663853cc5
Signed-off-by: Kun Liu 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/77023
Reviewed-by: Subrata Banik 
Reviewed-by: Kapil Porwal 
Reviewed-by: Rui Zhou 
Tested-by: build bot (Jenkins) 
---
M src/mainboard/google/rex/variants/screebo/overridetree.cb
1 file changed, 4 insertions(+), 4 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Kapil Porwal: Looks good to me, approved
  Subrata Banik: Looks good to me, approved
  Rui Zhou: Looks good to me, but someone else must approve

diff --git a/src/mainboard/google/rex/variants/screebo/overridetree.cb b/src/mainboard/google/rex/variants/screebo/overridetree.cb
index 9320011..ee7469d 100644
--- a/src/mainboard/google/rex/variants/screebo/overridetree.cb
+++ b/src/mainboard/google/rex/variants/screebo/overridetree.cb
@@ -245,17 +245,17 @@
    		end
    	end	# PCIE4_P9 SSD card
    	device ref pcie_rp10 on
-			# Enable SD Card PCIE4 rp10 using clk 7
+			# Enable SD Card PCIE4 rp10 using clk 6
    		register "pcie_rp[PCH_RP(10)]" = "{
-				.clk_src = 7,
-				.clk_req = 7,
+				.clk_src = 6,
+				.clk_req = 6,
    			.flags = PCIE_RP_HOTPLUG | PCIE_RP_LTR | PCIE_RP_AER,
    			.pcie_rp_aspm = ASPM_L1,
    		}"
    		chip soc/intel/common/block/pcie/rtd3
    			register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D03)"
    			register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_D02)"
-				register "srcclk_pin" = "7"
+				register "srcclk_pin" = "6"
    			device generic 0 on
    				probe DB_SD SD_GL9750
    				probe DB_SD SD_RTS5227S