Add olive oil in a large-Dutch-oven or large-pot and heat on medium-high-heat. Then add the onion and green chilies and cook till softened for 3-4 minutes.
Stir in the cumin, dried oregano, chili powder and coriander. allow the to cook for 30 seconds. Then add in chicken broth, 1 can of chickpeas drained (about 1½ cups chickpeas), and uncooked chicken breast, pepper and salt.
Then simmer on medium-low-heat for 20-30 min. After 20 minutes, remove the chicken with a slotted-spoon. Then use two forks to shred it. Next, add cilantro and fresh lime juice.
Add the remaining can of rinsed and drained chickpeas (1½ cups chickpeas), ½ cup water (or broth), and then add to a blender. Blend till smooth. If necessary, add a little more water.
Pour blended chickpeas in a soup pot. Stir in cilantro, lime juice, and corn. Let the soup simmer for another 5-10 minutes. Serve with tortilla chips, extra lime wedge and avocado.