Update the Sparse documentation to refer to the official Sparse
documentation instead of some random link, which no longeer works.
It also fixes an incorrect inline literal usage.
Signed-off-by: Stephanos Ioannidis <stephanos.ioannidis@nordicsemi.no>
With this adding "-DSPARSE=y" to the "west build" command line
performs a sparse check of the project build. So far only gcc-based
builds are supported.
Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>