>>> arm-trusted-firmware v2.7 Extracting
gzip -d -c /home/buildroot/autobuild/instance-2/dl/arm-trusted-firmware/arm-trusted-firmware-v2.7.tar.gz | tar --strip-components=1 -C /home/buildroot/autobuild/instance-2/output-1/build/arm-trusted-firmware-v2.7   -xf -
>>> arm-trusted-firmware v2.7 Patching
>>> arm-trusted-firmware v2.7 Configuring
>>> arm-trusted-firmware v2.7 Building
PATH="/home/buildroot/autobuild/instance-2/output-1/host/bin:/home/buildroot/autobuild/instance-2/output-1/host/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"  ENABLE_STACK_PROTECTOR=0 /usr/bin/make -j4 -C /home/buildroot/autobuild/instance-2/output-1/build/arm-trusted-firmware-v2.7 CROSS_COMPILE="/home/buildroot/autobuild/instance-2/output-1/host/bin/aarch64_be-buildroot-linux-gnu-"  PLAT= TARGET_BOARD= ARM_ARCH_MAJOR=8 all 
make[1]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/arm-trusted-firmware-v2.7'
make_helpers/plat_helpers.mk:15: *** "Error: Unknown platform. Please use PLAT=<platform name> to specify the platform".  Stop.
make[1]: Leaving directory '/home/buildroot/autobuild/instance-2/output-1/build/arm-trusted-firmware-v2.7'
package/pkg-generic.mk:290: recipe for target '/home/buildroot/autobuild/instance-2/output-1/build/arm-trusted-firmware-v2.7/.stamp_built' failed
make: *** [/home/buildroot/autobuild/instance-2/output-1/build/arm-trusted-firmware-v2.7/.stamp_built] Error 2
make: Leaving directory '/home/buildroot/autobuild/instance-2/buildroot'