dashboard: add ChromeOS 6.1 configs (#3932)

dashboard/config/linux/bits/chromeos-6.1.yml

+# Copyright 2021 syzkaller project authors. All rights reserved.
+# Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
+
+kernel:
+ repo: https://chromium.googlesource.com/chromiumos/third_party/kernel
+ # HEAD of chromeos-6.1 branch.
+ tag: 648e4589ec3e42719df5ce9f27240ff22c22361d
+
+shell:
+ - CHROMEOS_KERNEL_FAMILY=chromeos chromeos/scripts/prepareconfig chromiumos-x86_64 ${BUILDDIR}/.config
+ - make olddefconfig
+
+config:
+  - IO_URING

dashboard/config/linux/bits/chromeos-subsystems.yml

@@ -9,7 +9,7 @@ config:
  - PKGLIST
  - PKGLIST_USE_CONFIGFS
  - ESD_FS
- - INCREMENTAL_FS: [-chromeos-5.15] #incrementalfs absent in 5.15
+ - INCREMENTAL_FS: [-chromeos-5.15, -chromeos-6.1] #incrementalfs absent in 5.15
  - VIRTIO_FS
  - VIRTIO_WL
  - USB_CONFIGFS: [override]

dashboard/config/linux/main.yml

@@ -31,6 +31,7 @@ instances:
  - chromeos-5.4:		[chromeos, chromeos-5.4, nodefconfig, x86_64, timeouts_native, onlyusb, kasan]
  - chromeos-5.10:		[chromeos, chromeos-5.10, nodefconfig, x86_64, timeouts_native, onlyusb, kasan]
  - chromeos-5.15:		[chromeos, chromeos-5.15, nodefconfig, x86_64, timeouts_native, onlyusb, kasan]
+ - chromeos-6.1:		[chromeos, chromeos-6.1, nodefconfig, x86_64, timeouts_native, onlyusb, kasan]
  - cos-5.15-kasan:		[cos, cos-5.15, x86_64, clang, nodefconfig, baseline, timeouts_native, nonoise, kasan]
  - cos-5.15-arm64-kasan:	[cos, cos-5.15, arm64, clang, nodefconfig, baseline, timeouts_native, nonoise, kasan]
  - cos-6.1-kasan:		[cos, cos-6.1, x86_64, clang, nodefconfig, baseline, timeouts_native, nonoise, kasan]
@@ -90,5 +91,6 @@ includes:
  - chromeos-5.4.yml: [chromeos-5.4]
  - chromeos-5.10.yml: [chromeos-5.10]
  - chromeos-5.15.yml: [chromeos-5.15]
+ - chromeos-6.1.yml: [chromeos-6.1]
  - cos-5.15.yml: [cos-5.15]
  - cos-6.1.yml: [cos-6.1]