Similar to dcbabb, if meta-kernel is present when parsing then the
gem5-arm64 support tries appending some shell to a Python function,
which predictably then fails to parse.
Solve the same way, by turning a directory of files which are moved with
an append into a simple patch.
Change-Id: I1106c324c84f87f2d4e1f56fb2d5f2671f384f99
Signed-off-by: Ross Burton <ross.burton@arm.com>