code_rules: Cosmetic changes for MISRAC-2012 section
Created by: tgonzalezorlandoarm
Regroups rules, fix indentation and minor cosmetics.
Change-Id: Ia07098af32c1b8cfe6fdf69c5a3082062bbccc55 Co-authored-by: Nicola Mazzucato nicola.mazzucato@arm.com Signed-off-by: Nicola Mazzucato nicola.mazzucato@arm.com Signed-off-by: Tomás Agustín González Orlando tomasagustin.gonzalezorlando@arm.com