master
fix dfboot linking failures (#5937)
treewide: strip useless `default n` Kconfig lines
target: use SPDX license identifiers on Makefiles
target: use SPDX license identifiers on scripts
at91: sam9x,sama5: fix racy SD card image generation
at91: sama7: fix racy SD card image generation
uboot-at91: use sdmmc0 as booting media for sama5d27_som1_ek