meta-google: hoth: add support for 128mb

Make Hoth offsets apply to 128mb flash

Tested:
After build one platform,
cr51-image-layout.json:
{
    "build_timestamp": 1715204310,
    "flash_capacity": 134217728,
    "major": 5,
    "minor": 6,
    "name": "gbmc image",
    "platform": "GBMC",
    "point": 24,
    "region": [
        {
            "length": 4194304,
            "name": "u_boot",
            "offset": 0,
            "region_type": [
                "STATIC",
                "WRITE_PROTECTED"
            ]
        },
        {
            "length": 8388608,
            "name": "kernel",
            "offset": 4194304,
            "region_type": [
                "STATIC",
                "WRITE_PROTECTED"
            ]
        },
        {
            "length": 117309440,
            "name": "rofs",
            "offset": 12582912,
            "region_type": [
                "STATIC",
                "WRITE_PROTECTED"
            ]
        },
        {
            "length": 65536,
            "name": "image_descriptor",
            "offset": 129892352,
            "region_type": [
                "STATIC",
                "WRITE_PROTECTED"
            ]
        },
        {
            "length": 1048576,
            "name": "hoth_update",
            "offset": 129957888,
            "region_type": []
        },
        {
            "length": 3145728,
            "name": "rwfs",
            "offset": 131006464,
            "region_type": [
                "PERSISTENT"
            ]
        },
        {
            "length": 65536,
            "mailbox_length": 1024,
            "name": "hoth_mailbox",
            "offset": 134152192,
            "region_type": [
                "MAILBOX"
            ]
        }
    ],
    "subpoint": 50
}

Change-Id: I35f2a15d5af0493a631aef13d589c14b1372fc0b
Signed-off-by: ShouEnHsiao <shouenhsiao@google.com>
diff --git a/meta-google/classes/image_types_hoth.bbclass b/meta-google/classes/image_types_hoth.bbclass
index f01ed90..00e9c4c 100644
--- a/meta-google/classes/image_types_hoth.bbclass
+++ b/meta-google/classes/image_types_hoth.bbclass
@@ -9,9 +9,14 @@
 FLASH_IMAGE_DESC_OFFSET:hoth:aarch64 = "${@61312 if FLASH_SIZE == '65536' else 7232}"
 FLASH_HOTH_UPDATE_OFFSET:hoth:aarch64 = "${@61376 if FLASH_SIZE == '65536' else 31744}"
 
+FLASH_IMAGE_DESC_OFFSET:hoth:aarch64:flash-131072 = "126848"
+FLASH_HOTH_UPDATE_OFFSET:hoth:aarch64:flash-131072 = "126912"
+FLASH_HOTH_MAILBOX_OFFSET:hoth:aarch64:flash-131072 = "131008"
+
 # Leave a zero-size u-boot env partition.
 FLASH_UBOOT_ENV_OFFSET = "${FLASH_KERNEL_OFFSET}"
 FLASH_UBOOT_ENV_OFFSET:flash-65536 = "${FLASH_KERNEL_OFFSET:flash-65536}"
+FLASH_UBOOT_ENV_OFFSET:flash-131072 = "${FLASH_KERNEL_OFFSET:flash-131072}"
 
 # Support BMC image to have secondary hoth firmware
 ENABLE_HOTH_SECONDARY ?= "no"