Update the script to detect and update more instances of unsigned
variable assignments when using all four simple rules of arithmetics.
Signed-off-by: Patrik Flykt <patrik.flykt@intel.com>
Add a Coccinelle script that adds an 'U' to values assigned to
unsigned variables, according ot MISRA-C rule 7.2.
Add a 'report' mode to the script that can be used by developer/CI
and a 'patch' mode that should do the heavy lifting.
Signed-off-by: Patrik Flykt <patrik.flykt@intel.com>