kernel: bump 6.12 to 6.12.37

kernel: bump 6.12 to 6.12.37

Changelog: https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.37

Manually rebased patch:
  generic/hack-6.12/902-debloat_proc.patch[1]

New Kconfig symbol:
  x86: enable MITIGATION_TSA[2]

All other patches are automatically refreshed.

[1] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.12.37&id=ead91de35d9cd5c4f80ec51e6020f342079170af
[2] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.12.37&id=7a0395f6607a5d01e2b2a86355596b3f1224acbd

Signed-off-by: Shiji Yang <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/19317
Signed-off-by: Hauke Mehrtens <[email protected]>