soc/amd/common/i2c: Add i2c bus ops handler

Without this, calls to i2c_link() and runtime i2c detection fails on
AMD common platform boards.

Test: Runtime i2c detection of correct touchpad model succeeds on
google/zork.

Change-Id: I238b680b2afb4b9d3e5ac75fe9e630b2adc74860
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65232
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
diff --git a/src/soc/amd/common/block/i2c/i2c.c b/src/soc/amd/common/block/i2c/i2c.c
index 733ad88..2a81286 100644
--- a/src/soc/amd/common/block/i2c/i2c.c
+++ b/src/soc/amd/common/block/i2c/i2c.c
@@ -126,6 +126,7 @@
 	.scan_bus = scan_smbus,
 	.acpi_name = i2c_acpi_name,
 	.acpi_fill_ssdt = dw_i2c_acpi_fill_ssdt,
+	.ops_i2c_bus = &dw_i2c_bus_ops,
 };
 
 static void drive_scl(const struct soc_i2c_peripheral_reset_info *reset_info, int val)