mvebu: remove upstreamed DTS files in 5.10

Some armada-3720-espressobin-* files have been upstreamed, move
these to files-5.4.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>

diff --git a/target/linux/mvebu/files/arch/arm64/boot/dts/marvell/armada-3720-espressobin-emmc.dts b/target/linux/mvebu/files-5.4/arch/arm64/boot/dts/marvell/armada-3720-espressobin-emmc.dts
similarity index 100%
rename from target/linux/mvebu/files/arch/arm64/boot/dts/marvell/armada-3720-espressobin-emmc.dts
rename to target/linux/mvebu/files-5.4/arch/arm64/boot/dts/marvell/armada-3720-espressobin-emmc.dts

diff --git a/target/linux/mvebu/files/arch/arm64/boot/dts/marvell/armada-3720-espressobin-v7-emmc.dts b/target/linux/mvebu/files-5.4/arch/arm64/boot/dts/marvell/armada-3720-espressobin-v7-emmc.dts
similarity index 100%
rename from target/linux/mvebu/files/arch/arm64/boot/dts/marvell/armada-3720-espressobin-v7-emmc.dts
rename to target/linux/mvebu/files-5.4/arch/arm64/boot/dts/marvell/armada-3720-espressobin-v7-emmc.dts

diff --git a/target/linux/mvebu/files/arch/arm64/boot/dts/marvell/armada-3720-espressobin-v7.dts b/target/linux/mvebu/files-5.4/arch/arm64/boot/dts/marvell/armada-3720-espressobin-v7.dts
similarity index 100%
rename from target/linux/mvebu/files/arch/arm64/boot/dts/marvell/armada-3720-espressobin-v7.dts
rename to target/linux/mvebu/files-5.4/arch/arm64/boot/dts/marvell/armada-3720-espressobin-v7.dts