A lot of warnings were treated as errors after the default compiler
switched to GCC14. It's hard to fix them one by one, and this u-boot
is not maintained by upstream, so let's just silence these warnings.
Signed-off-by: Shiji Yang <yangshiji66@outlook.com>
Link: https://github.com/openwrt/openwrt/pull/18833
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>