package/boost: bump to version 1.59.0

Also:
* remove patch "gcc.jam compiler options fix" - merged upstream
* renumber patch "fix uclibc eventfd".

Signed-off-by: Jörg Krause <joerg.krause@embedded.rocks>
Reviewed-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Tested-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>