mb/google/dedede/var/sasukette: Add fw_config probe for ALC5682I-VD & VS

Update the `_HID` value of device in SSDT depending on the fw_config.
According to value of AUDIO_CODEC_SOURCE field in fw_config(SSFC) which
stored in CBI:
	AUDIO_CODEC_ALC5682: _HID = "10EC5682" /* ALC5682I-VD */
	AUDIO_CODEC_ALC5682I_VS: _HID = "RTL5682" /* ALC5682I-VS */

BUG=b:193623380
BRANCH=dedede
TEST=ALC5682I-VD or VS audio codec can work normally

Signed-off-by: Zhi Li <lizhi7@huaqin.corp-partner.google.com>
Change-Id: Ic8840454e4934162ea59c742634a56f70b153238
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56930
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: Weimin Wu <wuweimin@huaqin.corp-partner.google.com>

src/mainboard/google/dedede/variants/sasukette/Makefile.inc

@@ -1,5 +1,6 @@
 ## SPDX-License-Identifier: GPL-2.0-or-later
 
 ramstage-y += gpio.c
+ramstage-y += ramstage.c
 
 smm-y += variant.c

src/mainboard/google/dedede/variants/sasukette/overridetree.cb

@@ -1,3 +1,12 @@
+fw_config
+	field AUDIO_CODEC_SOURCE 41 43
+		option AUDIO_CODEC_UNPROVISIONED 0
+		option AUDIO_CODEC_ALC5682 1
+		option AUDIO_CODEC_CS42l42 2
+		option AUDIO_CODEC_ALC5682I_VS 3
+	end
+end
+
 chip soc/intel/jasperlake
 
 	# Intel Common SoC Config
@@ -175,7 +184,7 @@ chip soc/intel/jasperlake
 		end #I2C 0
 		device pci 19.0 on
 			chip drivers/i2c/generic
-				register "hid" = ""10EC5682""
+				# register "hid" is set in ramstage.c because of FW_CONFIG
 				register "name" = ""RT58""
 				register "desc" = ""Realtek RT5682""
 				register "irq_gpio" = "ACPI_GPIO_IRQ_EDGE_BOTH(GPP_D16)"

src/mainboard/google/dedede/variants/sasukette/ramstage.c

@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <baseboard/variants.h>
+#include <device/device.h>
+#include <device/path.h>
+#include <fw_config.h>
+#include <soc/pci_devs.h>
+#include <drivers/i2c/generic/chip.h>
+
+extern struct chip_operations drivers_i2c_generic_ops;
+
+static void audio_codec_update(void)
+{
+	const struct device_path codec_path[] = {
+		{.type = DEVICE_PATH_PCI, .pci.devfn = PCH_DEVFN_I2C4},
+		{.type = DEVICE_PATH_I2C, .i2c.device = 0x1a}
+	};
+	const struct device *codec =
+		find_dev_nested_path(pci_root_bus(), codec_path, ARRAY_SIZE(codec_path));
+	struct drivers_i2c_generic_config *config;
+
+	if (!codec || (codec->chip_ops != &drivers_i2c_generic_ops) || !codec->chip_info)
+		return;
+
+	config = codec->chip_info;
+	if (fw_config_probe(FW_CONFIG(AUDIO_CODEC_SOURCE, AUDIO_CODEC_ALC5682)))
+		config->hid = "10EC5682";
+	else if (fw_config_probe(FW_CONFIG(AUDIO_CODEC_SOURCE, AUDIO_CODEC_ALC5682I_VS)))
+		config->hid = "RTL5682";
+}
+
+void variant_devtree_update(void)
+{
+	audio_codec_update();
+}