doc: Add section for checking parameters.
doc: Add section for checking parameters.

wingyplus/cmocka,wingyplus/cmocka,jamesmunns/CMocka,JonathonReinhart/cmocka,nuumio/cmocka,aleksandr-vin/cmock,jhrozek/cmocka,chadversary/cmocka,jhrozek/cmocka,Odie/cmocka,jamesmunns/CMocka,dsch/cmocka,tyc/cmocka,lsjostro/cmocka,lsjostro/cmocka,clibs/cmocka,nuumio/cmocka,tyc/cmocka,linuxmaniac/cmocka,Odie/cmocka,VladimirTyrin/cmocka,chadversary/cmocka,Odie/cmocka,linuxmaniac/cmocka,VladimirTyrin/cmocka,jschmidlapp/cmocka,jschmidlapp/cmocka,clibs/cmocka,jhrozek/cmocka,dsch/cmocka,JonathonReinhart/cmocka,tyc/cmocka,nuumio/cmocka,jschmidlapp/cmocka,aleksandr-vin/cmock