Provide fake oracle and tkonlinesw

These two packages cannot work on non-x86_64 machines. Provide
fake libraries to satify the linker.

Signed-off-by: David Abdurachmanov <davidlt@cern.ch>
gcc-toolfile: add missing ARCH_LD_UNIT for AArch64

Signed-off-by: David Abdurachmanov <davidlt@cern.ch>