mb/google/rex/var/screebo: Update touchpad I2C timing
Change i2c[3] parameter to meet below timing:
t-HIGH > 600ns;
900ns > Thd:dat > 300ns.
BUG=b:
286030723
BRANCH=none
TEST=Test success by EE.
Change-Id: I4b2d958a5a0d41e2cfa1087f5cb94cc83bbb1739
Signed-off-by: Zhongtian Wu <wuzhongtian@huaqin.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76169
Reviewed-by: Kun Liu <liukun11@huaqin.corp-partner.google.com>
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>