tools/libressl: ensure PIC-only object compilation

tools/libressl: ensure PIC-only object compilation

Line up configure arguments for cleaner git diff and editing and grepping.

LibreSSL must be built with PIC, and has the flags for it already in CFLAGS.
Add the configure option native to LibreSSL to use only PIC in objects,
which further enforces that each object in the library has the PIC flag
to prevent a mixture of PIC / non-PIC objects within it.

Ref: 96a940308 ("tools: libressl: always build as PIC")
Signed-off-by: Michael Pratt <mcpratt@pm.me>