blipper: use specific VBT for blipper

Use the specific VBT for blipper which adjust the HDMI port setting.

BUG=b:181724751
TEST=Build and check HDMI export has expected.

Cq-Depend: chrome-internal:3661241
Change-Id: Ib2fd494fcf4ed483e14d2af27a352f6672140aea
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/chromiumos-overlay/+/2739293
Reviewed-by: Henry Sun <henrysun@google.com>
Reviewed-by: Karthikeyan Ramasubramanian <kramasub@chromium.org>
Commit-Queue: Karthikeyan Ramasubramanian <kramasub@chromium.org>
Tested-by: Karthikeyan Ramasubramanian <kramasub@chromium.org>
(cherry picked from commit 40f78508e572b5a35da5cac7ae887d491d97eafe)
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/chromiumos-overlay/+/2763932
Commit-Queue: Henry Sun <henrysun@google.com>
Tested-by: Henry Sun <henrysun@google.com>
diff --git a/sys-boot/coreboot/files/configs/config.blipper b/sys-boot/coreboot/files/configs/config.blipper
index 76deeaa..73b58eb 100644
--- a/sys-boot/coreboot/files/configs/config.blipper
+++ b/sys-boot/coreboot/files/configs/config.blipper
@@ -28,7 +28,7 @@
 # Enable VBT
 CONFIG_INTEL_GMA_ADD_VBT=y
 CONFIG_RUN_FSP_GOP=y
-CONFIG_INTEL_GMA_VBT_FILE="3rdparty/blobs/baseboard-dedede/vbt.bin"
+CONFIG_INTEL_GMA_VBT_FILE="3rdparty/blobs/baseboard-dedede/vbt_blipper.bin"
 
 # Microcode
 CONFIG_CPU_MICROCODE_CBFS_EXTERNAL_BINS=y