[XS] Change in coreboot[master]: mb/google/rex/var/rex0: probe for i2c1 touchscreen

[Eran Mitrani (Code Review)]

Eran Mitrani has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/75565?usp=email )

Change subject: mb/google/rex/var/rex0: probe for i2c1 touchscreen
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mb/google/rex/var/rex0: probe for i2c1 touchscreen

Touchscreen may either use I2C1 or SPI0.
FW_CONFIG.TOUCHSCREEN is set to determine which is used.
This CL adds a probe to enable I2C1.

BUG=b:278783755
TEST=Tested on rex, confimed i2c1 is disabled when
TOUCHSCREEN != TOUCHSCREEN_I2C

Signed-off-by: Eran Mitrani 
Change-Id: I0bee176298fddd2aee35cf084db037a3ce7672f7
---
M src/mainboard/google/rex/variants/rex0/overridetree.cb
1 file changed, 3 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/65/75565/1

diff --git a/src/mainboard/google/rex/variants/rex0/overridetree.cb b/src/mainboard/google/rex/variants/rex0/overridetree.cb
index ab9596e..0bd4d3b 100644
--- a/src/mainboard/google/rex/variants/rex0/overridetree.cb
+++ b/src/mainboard/google/rex/variants/rex0/overridetree.cb
@@ -542,7 +542,9 @@
    			register "generic.stop_off_delay_ms" = "2"
    			register "generic.has_power_resource" = "1"
    			register "hid_desc_reg_offset" = "0x01"
-				device i2c 10 on end
+				device i2c 10 on
+					probe TOUCHSCREEN TOUCHSCREEN_I2C
+				end
    		end
    		chip drivers/generic/gpio_keys
    			register "name" = ""PENH""