BACKPORT: linux-firmware: add frimware for mediatek bluetooth chip (MT7921)

Add binary firmware for MT7921 based devices

File: mediatek/BT_RAM_CODE_MT7961_1_2_hdr.bin
Version: 20210223142901

Signed-off-by: mark-yw.chen <mark-yw.chen@mediatek.com>
Signed-off-by: Josh Boyer <jwboyer@kernel.org>

(cherry picked from commit 58fb90a0e95540b26127000a7fd832f590902ebf)

Conflicts:
   WHENCE

BUG=b:178754244
TEST=hcitool scan on asurada

Signed-off-by: Claire Chang <tientzu@chromium.org>
Change-Id: Iaaaa153d281d09515bc2a963640575cf3300d216
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/linux-firmware/+/2772395
Reviewed-by: Michael Sun <michaelfsun@google.com>
diff --git a/WHENCE b/WHENCE
index ef5c35c..00c1414 100755
--- a/WHENCE
+++ b/WHENCE
@@ -3063,6 +3063,15 @@
 
 --------------------------------------------------------------------------
 
+Driver: mt7921 - MediaTek MT7921 bluetooth chipset
+
+File: mediatek/BT_RAM_CODE_MT7961_1_2_hdr.bin
+Version: 20210223142901
+
+Licence: Redistributable. See LICENCE.mediatek for details.
+
+--------------------------------------------------------------------------
+
 Driver: venus - Qualcomm Venus video codec accelerator
 
 File: qcom/venus-5.2/venus.mdt
diff --git a/mediatek/BT_RAM_CODE_MT7961_1_2_hdr.bin b/mediatek/BT_RAM_CODE_MT7961_1_2_hdr.bin
new file mode 100644
index 0000000..9a15b02
--- /dev/null
+++ b/mediatek/BT_RAM_CODE_MT7961_1_2_hdr.bin
Binary files differ