In commit [1], the linux 6.12 version was bumped to 6.12.41 but didn't
align linux/Config.in to include that bump.
[1] 52f03f832f {linux, linux-headers}: bump 6.{6, 12}.x series
Fixes: https://autobuild.buildroot.org/results/6a9/6a9f7617368d71b810586e29081c5239831b597e
Signed-off-by: Thomas Perale <thomas.perale@mind.be>