bmpblk: Add board config for herobrine

Herobrine display is 1920x1080, so add entry for it.  Keep default dpi
for now.

BUG=b:221393157,b:182963902
BRANCH=None
TEST=emerge-herobrine chromeos-bmpblk

Change-Id: I5b505731384c661958a0ed7d4b0bf17469449427
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/bmpblk/+/3561858
Reviewed-by: Yu-Ping Wu <[email protected]>
Tested-by: Shelley Chen <[email protected]>
Commit-Queue: Shelley Chen <[email protected]>
diff --git a/boards.yaml b/boards.yaml
index 2af8eb4..357d140 100644
--- a/boards.yaml
+++ b/boards.yaml
@@ -300,6 +300,10 @@
   screen:   [1920, 1080]
   dpi: 96  # DO NOT COPY-PASTE -- follow instructions at top of file.
 
+herobrine:
+  # 1920x1080, boots recovery image on any SD card or USB ports.
+  screen:   [1920, 1080]
+
 senor:
   # 1920x1080, boots recovery image on any SD card or USB ports.
   screen:   [1920, 1080]