Add AVB hash footer to init_boot image

Solve device path of /dev/block/by-name/init_boot_a
not found issue during avb_slot_verify

Boot done:
Boot android

Tracked-On: OAM-132936
Signed-off-by: Gang G Chen <gang.g.chen@intel.com>

Author: GangSecurity

groups/init-boot/true/BoardConfig.mk

@@ -8,18 +8,13 @@ BOARD_INCLUDE_INIT_BOOTIMAGE := true
 # ramdisk, and that ramdisk will no longer be included in boot.img.
 BOARD_INIT_BOOT_IMAGE_PARTITION_SIZE := 16777216
 
- # Enable chained vbmeta for init_boot images
-BOARD_AVB_INIT_BOOT_KEY_PATH := external/avb/test/data/testkey_rsa4096.pem
-BOARD_AVB_INIT_BOOT_ALGORITHM := SHA256_RSA4096
-BOARD_AVB_INIT_BOOT_ROLLBACK_INDEX := $(PLATFORM_SECURITY_PATCH_TIMESTAMP)
-BOARD_MKBOOTIMG_ARGS += --header_version $(BOARD_BOOT_HEADER_VERSION)
 BOARD_INIT_BOOT_HEADER_VERSION := 4
 BOARD_MKBOOTIMG_INIT_ARGS += --header_version $(BOARD_INIT_BOOT_HEADER_VERSION)
-BOARD_AVB_INIT_BOOT_ROLLBACK_INDEX_LOCATION := 3
+BOARD_AVB_INIT_BOOT_ADD_HASH_FOOTER_ARGS += --hash_algorithm sha256
 
-ifneq ($(PRODUCT_BUILD_INIT_BOOT_IMAGE), false)
+{{#slot-ab}}
 AB_OTA_PARTITIONS += init_boot
-endif
+{{/slot-ab}}
 
 BOARD_USES_RECOVERY_AS_BOOT :=
 BOARD_USES_GENERIC_KERNEL_IMAGE := true

groups/init-boot/true/files.spec

@@ -1,5 +1,5 @@
 [devicefiles]
-{{target}}/vendor_boot-ramdisk: vendor_boot-ramdisk
+{{target}}/init_boot-ramdisk: init_boot-ramdisk
 
 [mapping]
-{{target}}/vendor_boot-ramdisk: vendor_boot-ramdisk
+{{target}}/init_boot-ramdisk: init_boot-ramdisk