rock-5b-plus u-boot build error

[CodeChenL]

error log: https://github.com/armbian/os/actions/runs/15214928430/job/42800625037#step:8:982

As a result, the u-boot.itb in the built deb package does not contain the device tree and other content:

[chen@ChenArchLinux 15:07]
[0 /tmp/ark-mOgieT/usr/lib/linux-u-boot-vendor-rock-5b-plus]$ binwalk u-boot.itb 

                                             /tmp/ark-mOgieT/usr/lib/linux-u-boot-vendor-rock-5b-plus/u-boot.itb
-------------------------------------------------------------------------------------------------------------------------------------------------------------
DECIMAL                            HEXADECIMAL                        DESCRIPTION
-------------------------------------------------------------------------------------------------------------------------------------------------------------
0                                  0x0                                Device tree blob (DTB), version: 17, CPU ID: 0, total size: 1971 bytes
793612                             0xC1C0C                            CRC32 polynomial table, little endian
-------------------------------------------------------------------------------------------------------------------------------------------------------------

Analyzed 1 file for 85 file signatures (187 magic patterns) in 15.0 milliseconds

Trying to rebuild the uboot deb package using armbian/build does not cause this problem

[github-actions]

Jira ticket: AR-2689

[igorpecovnik]

It is probably related to compiler change - we switched to Ubuntu Noble recently.

#8220