Build

WIP: Refactor ocre binary generation with `objcopy` #214

Job	Run time
build-linux-base	26s
build-and-run-linux-sample (hello-world, powered by Ocre, generic/hello-world)	1m 8s
build-and-run-linux-sample (filesystem-full, Directory listing for, generic/filesystem-full)	1m 4s
build-and-run-linux-sample (blinky, blink (count: 1, state: -), generic/blinky)	1m 23s
build-zephyr-base (native_sim)	2m 25s
build-zephyr-base (b_u585i_iot02a)	3m 45s
build-and-run-zephyr-sample (hello-world, powered by Ocre, generic/hello-world)	3m 24s
build-and-run-zephyr-sample (filesystem-full, Directory listing for, generic/filesystem-full)	1s
run-linux-base	0s
run-zephyr-base-native-sim	25s
flash-zephyr-base-b_u585i_iot02a	9s
flash-validation-tests	33s
	14m 43s

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