Add support for Acer Chromebook 515 Plus (CB515-2H) / Google Omnigul. Use MrChromeBox Coreboot and Linux 6.5.

Signed-off-by: Matthew Drobnak <matthew@drobnak.com>

Author: mdrobnak

.circleci/config.yml

@@ -197,6 +197,7 @@ jobs:
             - build/x86/coreboot-4.15
             - build/x86/coreboot-4.17
             - build/x86/coreboot-4.22.01
+            - build/x86/coreboot-mrchromebox
             - build/x86/coreboot-purism
             - build/x86/coreboot-nitrokey
             - build/ppc64/coreboot-talos_2
@@ -464,6 +465,14 @@ workflows:
           requires:
             - librem_14
 
+#coreboot-git mrchromebox
+      - build:
+          name: omnigul
+          target: omnigul
+          subcommand: ""
+          requires:
+            - prep_env
+
 #coreboot-git dasharo clevo_release + staging IASL patch
       - build:
           name: nitropad-ns50

boards/omnigul/omnigul.config

@@ -0,0 +1,49 @@
+# Configuration for a Acer Chromebook Plus 515 (CB515-2H/OMNIGUL)
+CONFIG_COREBOOT_CONFIG=config/coreboot-omnigul.config
+
+export CONFIG_COREBOOT=y
+export CONFIG_COREBOOT_VERSION=mrchromebox
+export CONFIG_LINUX_VERSION=6.5.13
+
+CONFIG_CRYPTSETUP2=y
+CONFIG_FLASHROM=y
+CONFIG_FLASHTOOLS=y
+CONFIG_GPG2=y
+CONFIG_KEXEC=y
+CONFIG_UTIL_LINUX=y
+CONFIG_LVM2=y
+CONFIG_MBEDTLS=y
+CONFIG_PCIUTILS=y
+CONFIG_POPT=y
+CONFIG_QRENCODE=y
+CONFIG_TPMTOTP=y
+CONFIG_HOTPKEY=n
+
+#TPM2 requirements
+export CONFIG_TPM2_TOOLS=y
+export CONFIG_PRIMARY_KEY_TYPE=ecc
+CONFIG_TPM2_TSS=y
+CONFIG_OPENSSL=y
+
+# Boot Options (GUI)
+CONFIG_CAIRO=y
+CONFIG_FBWHIPTAIL=y
+export CONFIG_AUTO_BOOT_TIMEOUT=5
+export CONFIG_BOOT_DEV="/dev/sda2"
+export CONFIG_BOOT_KERNEL_ADD=""
+export CONFIG_BOOT_KERNEL_REMOVE=""
+export CONFIG_BOOTSCRIPT=/bin/gui-init
+
+# Boot Security / Flash Options
+export CONFIG_BOOT_REQ_HASH=n
+export CONFIG_BOOT_REQ_ROLLBACK=n
+export CONFIG_BOARD_NAME="Google Omnigul"
+export CONFIG_FLASHROM_OPTIONS="--noverify-all -p internal --ifd --image bios"
+#export CONFIG_ROOT_DEV="/dev/sda3"
+#export CONFIG_ROOT_DIRLIST="bin boot lib sbin usr"
+#export CONFIG_ROOT_CHECK_AT_BOOT="n"
+
+# Linux Specific Configuration Items
+CONFIG_LINUX_CONFIG=config/linux-omnigul.config
+CONFIG_LINUX_USB=y
+CONFIG_SUPPORT_USB_KEYBOARD=y