/usr/src/linux-source-3.13.0/debian.master/abi/3.13.0-97.144/powerpc/ is in linux-source-3.13.0 3.13.0-98.145.
This file is owned by root:root, with mode 0o755.
..
/usr/src/linux-source-3.13.0/debian.master/abi/3.13.0-97.144/powerpc/powerpc-e500
/usr/src/linux-source-3.13.0/debian.master/abi/3.13.0-97.144/powerpc/powerpc-e500.compiler
/usr/src/linux-source-3.13.0/debian.master/abi/3.13.0-97.144/powerpc/powerpc-e500.modules
/usr/src/linux-source-3.13.0/debian.master/abi/3.13.0-97.144/powerpc/powerpc-e500mc
/usr/src/linux-source-3.13.0/debian.master/abi/3.13.0-97.144/powerpc/powerpc-e500mc.compiler
/usr/src/linux-source-3.13.0/debian.master/abi/3.13.0-97.144/powerpc/powerpc-e500mc.modules
/usr/src/linux-source-3.13.0/debian.master/abi/3.13.0-97.144/powerpc/powerpc-smp
/usr/src/linux-source-3.13.0/debian.master/abi/3.13.0-97.144/powerpc/powerpc-smp.compiler
/usr/src/linux-source-3.13.0/debian.master/abi/3.13.0-97.144/powerpc/powerpc-smp.modules
/usr/src/linux-source-3.13.0/debian.master/abi/3.13.0-97.144/powerpc/powerpc64-emb
/usr/src/linux-source-3.13.0/debian.master/abi/3.13.0-97.144/powerpc/powerpc64-emb.compiler
/usr/src/linux-source-3.13.0/debian.master/abi/3.13.0-97.144/powerpc/powerpc64-emb.modules
/usr/src/linux-source-3.13.0/debian.master/abi/3.13.0-97.144/powerpc/powerpc64-smp
/usr/src/linux-source-3.13.0/debian.master/abi/3.13.0-97.144/powerpc/powerpc64-smp.compiler
/usr/src/linux-source-3.13.0/debian.master/abi/3.13.0-97.144/powerpc/powerpc64-smp.modules