package/libressl: move config options
As we've recently done for libopenssl (openssl, the original),
move the libressl option to a libressl-specific Config.in.
The gain is minimal at best, but this is mostly for symetry with
libopenssl.
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Cc: Matt Weber <matthew.weber@rockwellcollins.com>
Acked-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>