master
at91: add support for sama7g5-ek board
at91: kernel: bump to 5.10
treewide: strip useless `default n` Kconfig lines
at91: kernel v5.15: remove upstreamed patches
treewide: remove files for building 5.10 kernel
at91: switch to Kernel 5.15 by default
target: use SPDX license identifiers on Makefiles