mb/google/brya: Add the first FW_CONFIG fields to brya0

1) USB sub-board
2) SD sub-board
3) GSC
4) Keyboard backlight
5) Audio sub-board
6) LTE module

Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Change-Id: I74ca5ab5366a17e9e1784ec872b9cd77f8663c7f
Reviewed-on: https://review.coreboot.org/c/coreboot/+/54097
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: Zhuohao Lee <zhuohao@google.com>
Reviewed-by: YH Lin <yueherngl@google.com>
Reviewed-by: EricR Lai <ericr_lai@compal.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/google/brya/Kconfig

@@ -14,6 +14,8 @@ config BOARD_GOOGLE_BASEBOARD_BRYA
 	select EC_GOOGLE_CHROMEEC_BOARDID
 	select EC_GOOGLE_CHROMEEC_ESPI
 	select EC_GOOGLE_CHROMEEC_SKUID
+	select FW_CONFIG
+	select FW_CONFIG_SOURCE_CHROMEEC_CBI
 	select GOOGLE_SMBIOS_MAINBOARD_VERSION
 	select HAVE_ACPI_RESUME
 	select HAVE_ACPI_TABLES

src/mainboard/google/brya/variants/brya0/overridetree.cb

@@ -1,3 +1,34 @@
+fw_config
+	field DB_USB 0 3
+		option USB_ABSENT		0
+		option USB3_PS8815		1
+	end
+	field DB_SD 4 5
+		option SD_ABSENT		0
+		option SD_GL9755S		1
+	end
+	field GSC 6 6
+		option H1D			0
+		option H1B			1
+	end
+	field KB_BL 7 7
+		option KB_BL_ABSENT		0
+		option KB_BL_PRESENT		1
+	end
+	field AUDIO 8 10
+		option AUDIO_UNKNOWN		0
+		option MAX98357_ALC5682I_I2S	1
+		option MAX98373_ALC5682_SNDW	2
+		option MAX98373_NAU88L25B_I2S	3
+		option ALC1019_NAU88L25B_I2S	4
+	end
+	field DB_LTE 11 12
+		option LTE_ABSENT		0
+		option LTE_USB			1
+		option LTE_PCIE			2
+	end
+end
+
 chip soc/intel/alderlake
 	register "SaGv" = "SaGv_Disabled"