With the previous two commits, it is possible to enable ZSTD
in the decompressor stub for 32-bit ARM.
Unfortunately, ZSTD decompression has been quite slow in my tests
(on ARM926EJ-S, ARMv5T):
- LZO: 7.2 MiB, 6 seconds
- ZSTD: 5.6 MiB, 60 seconds
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@xxxxxxx>