package/libspatialindex: bump to version 1.9.0

package/libspatialindex: bump to version 1.9.0

- Switch site to github to get latest version
- Switch to cmake to be able to disable tests as they fail to build with
  /home/fabrice/buildroot/output/host/lib/gcc/arm-buildroot-linux-gnueabihf/9.2.0/../../../../arm-buildroot-linux-gnueabihf/bin/ld: warning: libspatialindex.so.5, needed by ../../.libs/libspatialindex_c.so, not found (try using -rpath or -rpath-link)
  /home/fabrice/buildroot/output/host/lib/gcc/arm-buildroot-linux-gnueabihf/9.2.0/../../../../arm-buildroot-linux-gnueabihf/bin/ld: ../../.libs/libspatialindex_c.so: undefined reference to `Tools::NotSupportedException::NotSupportedException(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)'
- Add C++11 dependency for shared_ptr
- Drop patch (already in version)
- Add hash for license file

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>