dev-util/umockdev: Disable -fno-semantic-interposition

[petronio]

/usr/include/bits/unistd.h:145:1: error: inlining failed in call to 'always_inline' 'readlink.localalias': function not inlinable
  145 | __NTH (readlink (const char *__restrict __path, char *__restrict __buf,
      | ^
/var/tmp/portage/dev-util/umockdev-0.12.1/work/umockdev-0.12.1/src/libumockdev-preload.c:189:9: note: called from here
  189 |     if (readlink(buf, link, sizeof(link)) < 0) {
      |         ^```

[InBetweenNames]

Thank you!