Also:
* Update patch #1
* Remove patch #2, fixed upstream
* add new dependency to boost
* use hashes from sourceforge
[Thomas:
- add locally calculated sha256 hash
- show the Config.in comment about toolchain dependencies only when
BR2_PACKAGE_BOOST_ARCH_SUPPORTS is set.]
Signed-off-by: Jörg Krause <joerg.krause@embedded.rocks>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>