mb/google/brya/var/taeko:Remove duplicate DB_SD fw_config fields.

Since fw config fields for DB_SD can share the same driver, we will
remove the duplicate fields DB_SD_GL9750 and DB_SD_RTS5232S.

BUG=b:212240358
TEST=emerge-brya coreboot and can boot to OS.
Signed-off-by: Joey Peng <joey.peng@lcfc.corp-partner.google.com>
Change-Id: If7814c35f63fd6fa27195d448c4d51fc980aaa9c
Reviewed-on: https://review.coreboot.org/c/coreboot/+/60409
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: Nick Vaccaro <nvaccaro@google.com>
diff --git a/src/mainboard/google/brya/variants/taeko/overridetree.cb b/src/mainboard/google/brya/variants/taeko/overridetree.cb
index 44b9503..5cdc066 100644
--- a/src/mainboard/google/brya/variants/taeko/overridetree.cb
+++ b/src/mainboard/google/brya/variants/taeko/overridetree.cb
@@ -6,8 +6,6 @@
 	field DB_SD 2 3
 		option DB_SD_ABSENT			0
 		option DB_SD_OZ711LV2LN			1
-		option DB_SD_GL9750			2
-		option DB_SD_RTS5232S			3
 	end
 	field KB_BL 4
 		option KB_BL_ABSENT			0
@@ -391,8 +389,6 @@
 				register "srcclk_pin" = "3"
 				device generic 0 on
 					probe DB_SD DB_SD_OZ711LV2LN
-					probe DB_SD DB_SD_GL9750
-					probe DB_SD DB_SD_RTS5232S
 				end
 			end
 		end
diff --git a/src/mainboard/google/brya/variants/taeko4es/overridetree.cb b/src/mainboard/google/brya/variants/taeko4es/overridetree.cb
index 6356661..8aaeab7 100644
--- a/src/mainboard/google/brya/variants/taeko4es/overridetree.cb
+++ b/src/mainboard/google/brya/variants/taeko4es/overridetree.cb
@@ -6,8 +6,6 @@
 	field DB_SD 2 3
 		option DB_SD_ABSENT			0
 		option DB_SD_OZ711LV2LN			1
-		option DB_SD_GL9750			2
-		option DB_SD_RTS5232S			3
 	end
 	field KB_BL 4
 		option KB_BL_ABSENT			0
@@ -386,8 +384,6 @@
 				register "srcclk_pin" = "3"
 				device generic 0 on
 					probe DB_SD DB_SD_OZ711LV2LN
-					probe DB_SD DB_SD_GL9750
-					probe DB_SD DB_SD_RTS5232S
 				end
 			end
 		end