configs: Restore lost defconfig options #3703

Job	Run time
build (arm64, arm64, defconfig, kernel8)	41m 44s
build (bcmrpi, arm, bcmrpi_defconfig, kernel)	32m 13s
build (bcm2835, arm, bcm2835_defconfig, kernel)	10m 17s
build (bcm2709, arm, bcm2709_defconfig, kernel7)	33m 25s
build (bcm2711, arm64, bcm2711_defconfig, kernel8)	45m 19s
build (bcm2711_rt, arm64, bcm2711_rt_defconfig, kernel8_rt)	45m 57s
build (bcm2712, arm64, bcm2712_defconfig, kernel_2712)	45m 57s
	4h 14m 52s

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