Update cmake to 3.3.2 and refresh patches. Add a secondary download location. Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi> SVN-Revision: 47327
Signed-off-by: Luka Perkov <luka@openwrt.org> SVN-Revision: 38457
Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 37917