soc/mediatek/mt8183: Update DRAM calibration blob to 12573.132

A new release of dram.elf built from Chrome OS 12573.132.0,
supporting 6GB/4GB memory modules.

BUG=None
BRANCH=kukui
TEST=emerge-kukui coreboot chromeos-bootimage # boots properly

Change-Id: I4805e7c67cedfd90abe9f595487abe918f386011
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/coreboot/blobs/+/2351340
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Commit-Queue: Hung-Te Lin <hungte@chromium.org>
Tested-by: Hung-Te Lin <hungte@chromium.org>
Auto-Submit: Hung-Te Lin <hungte@chromium.org>
(cherry picked from commit 010952df651b0b6b2896c68d0c3c67430c01bbe2)
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/coreboot/blobs/+/2505294
Commit-Queue: Yu-Ping Wu <yupingso@chromium.org>
Tested-by: Yu-Ping Wu <yupingso@chromium.org>
diff --git a/soc/mediatek/mt8183/dram.elf b/soc/mediatek/mt8183/dram.elf
index ddfa353..8edf9b2 100644
--- a/soc/mediatek/mt8183/dram.elf
+++ b/soc/mediatek/mt8183/dram.elf
Binary files differ
diff --git a/soc/mediatek/mt8183/dram_release_notes.txt b/soc/mediatek/mt8183/dram_release_notes.txt
index 07105b5..b0803bd 100644
--- a/soc/mediatek/mt8183/dram_release_notes.txt
+++ b/soc/mediatek/mt8183/dram_release_notes.txt
@@ -1,3 +1,11 @@
+# 2020.08.12
+
+1. Build from Chrome OS 12573.132.0, incompatible with previous versions.
+   Header version = 3.
+2. Include changes:
+
+CL:*3208271 dramc: MT8183: Add ddr geometry to support 6GB, 8GB DDR bootup
+
 # 2019.11.20
 
 1. Build from Chrome OS 12573.28.0