Patchelf 0.17.2 has a bug resulting, for some source binaries,
in overlapping LOAD pages in generated elf binaries.
This was fixed in: de3e1f5e11f5 ("Add one extra page to avoid
overlapping with next page if its rounded down")
(patchelf 0.18.0)

Patchelf was downgraded to 0.17.2 in OpenWRT due to lacking
support for GCC 7 which we do not care.

This reverts commit f147569f.