efi: Extend install() to support usr/lib/efi

[HuijingHei]

No description provided.

[openshift-ci]

Skipping CI for Draft Pull Request.
If you want CI signal for your change, please convert it to an actual PR.
You can still manually trigger a test run with /test all

[HuijingHei]

Test with this patch, the following is the new bootupd-state.json content, and the filetree path is grub2/1:2.12-41.fc44/EFI/fedora/grubx64.efi instead of old fedora/grubx64.efi

[root@cosa-devsh core]# cat /boot/bootupd-state.json | jq
{
  "installed": {
    "BIOS": {
      "meta": {
        "timestamp": "2025-08-20T15:58:45Z",
        "version": "grub2-tools-1:2.12-41.fc44.x86_64",
        "versions": [
          {
            "name": "grub2",
            "rpm_evr": "1:2.12-41.fc44"
          }
        ]
      },
      "filetree": null,
      "adopted-from": null
    },
    "EFI": {
      "meta": {
        "timestamp": "2025-09-08T09:29:28.806885596Z",
        "version": "grub2-1:2.12-41.fc44,shim-15.8-5",
        "versions": [
          {
            "name": "grub2",
            "rpm_evr": "1:2.12-41.fc44"
          },
          {
            "name": "shim",
            "rpm_evr": "15.8-5"
          }
        ]
      },
      "filetree": {
        "children": {
          "grub2/1:2.12-41.fc44/EFI/fedora/grubx64.efi": {
            "size": 4046144,
            "sha512": "sha512:47f341bcbe521b907a56d480a3f3e9e92c8358012244a34a092e270f63f5970ccafcedc8c0d22fa99fcb462d76926412f2ebaec13b9a53c95a4036e5fe559ebf"
          },
          "shim/15.8-5/EFI/BOOT/BOOTX64.EFI": {
            "size": 949424,
            "sha512": "sha512:cc23d8c3cb2dcf749075268b77eb796fb430182cbbc04171ded14d43e32b4a5cdeeb1a08666ee0e288bd37d63f657a9af5e7f2012dd70694d11212d705c60b42"
          },
          "shim/15.8-5/EFI/BOOT/fbx64.efi": {
            "size": 87816,
            "sha512": "sha512:e62970bb6fa9ae508c66571f7288c54a6cba2096c0ac4479aab575196c1c4e3dbc9434c4138ec6ab7876acb541143c166376637569dde17b1b4ed065c40de844"
          },
          "shim/15.8-5/EFI/fedora/BOOTX64.CSV": {
            "size": 110,
            "sha512": "sha512:0c29b8ae73171ef683ba690069c1bae711e130a084a81169af33a83dfbae4e07d909c2482dbe89a96ab26e171f17c53f1de8cb13d558bc1535412ff8accf253f"
          },
          "shim/15.8-5/EFI/fedora/mmx64.efi": {
            "size": 848080,
            "sha512": "sha512:1c461e8056228ce0cb9905756aca7fc5e4eed9af2b18b4a09a67050f28a05421b8e42176a4b973aed541fb2a7796f7ee3a5026c5ed4826382a59aecd9929a3d7"
          },
          "shim/15.8-5/EFI/fedora/shim.efi": {
            "size": 949424,
            "sha512": "sha512:cc23d8c3cb2dcf749075268b77eb796fb430182cbbc04171ded14d43e32b4a5cdeeb1a08666ee0e288bd37d63f657a9af5e7f2012dd70694d11212d705c60b42"
          },
          "shim/15.8-5/EFI/fedora/shimx64.efi": {
            "size": 949424,
            "sha512": "sha512:cc23d8c3cb2dcf749075268b77eb796fb430182cbbc04171ded14d43e32b4a5cdeeb1a08666ee0e288bd37d63f657a9af5e7f2012dd70694d11212d705c60b42"
          }
        }
      },
      "adopted-from": null
    }
  },
  "pending": null,
  "static-configs": {
    "timestamp": "2025-09-08T09:27:05.691Z",
    "version": "0.2.29",
    "versions": null
  }
}