xxhash ftbfs in jammy with -march=x86-64-v3

[Matthias Klose]

see
https://launchpadlibrarian.net/604216792/buildlog_ubuntu-jammy-amd64.xxhash_0.8.1-1_BUILDING.txt.gz

[...]
cc -g -O2 -ffile-prefix-map=/<<PKGBUILDDIR>>=. -flto=auto -ffat-lto-objects -flto=auto -ffat-lto-objects -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -DXXHSUM_DISPATCH=1 -c -o xxh_x86dispatch.o xxh_x86dispatch.c
xxh_x86dispatch.c:85:4: error: #error "Do not compile xxh_x86dispatch.c with AVX enabled! See the comment above."
   85 | # error "Do not compile xxh_x86dispatch.c with AVX enabled! See the comment above."
      | ^~~~~
make[1]: *** [<builtin>: xxh_x86dispatch.o] Error 1
make[1]: *** Waiting for unfinished jobs....
xxh_x86dispatch.c:85:4: error: #error "Do not compile xxh_x86dispatch.c with AVX enabled! See the comment above."
   85 | # error "Do not compile xxh_x86dispatch.c with AVX enabled! See the comment above."
      | ^~~~~
make[1]: *** [Makefile:143: libxxhash.so.0.8.1] Error 1
make[1]: Leaving directory '/<<PKGBUILDDIR>>'