Ahaggar: Fix a bug that prevented to analyze all the function calls

Signed-off-by: Djalal Harouni <tixxdz@opendz.org>
Ahaggar: improve malloc check logic

* Do not use regex, just fallback to plain text strcmp

Signed-off-by: Djalal Harouni <tixxdz@opendz.org>
Ahaggar: remove the malloc check

Signed-off-by: Djalal Harouni <tixxdz@opendz.org>
Ahaggar: add the checks-utils.o to Makefile

Signed-off-by: Djalal Harouni <tixxdz@opendz.org>
Ahaggar: add the kmalloc checks

Signed-off-by: Djalal Harouni <tixxdz@opendz.org>