Add support for 'sifiveu' target and its specific packages in labeler.
Signed-off-by: Piotr Dymacz <pepe2k@gmail.com>
- "target/linux/rockchip/**"
- "package/boot/arm-trusted-firmware-rockchip/**"
- "package/boot/uboot-rockchip/**"
+"target/sifiveu":
+ - "target/linux/sifiveu/**"
+ - "package/boot/uboot-sifiveu/**"
+ - "package/boot/opensbi/**"
"target/sunxi":
- "target/linux/sunxi/**"
- "package/boot/arm-trusted-firmware-sunxi/**"