add support SmolVLM and Idefics3 models (#1210)

* add support SmolVLM and Idefics3 models

* refactor common vlm part

* add smolvlm tests

* remove intermediate VLMConfig

Author: eaidova

docs/source/openvino/models.mdx

@@ -68,6 +68,7 @@ Here is the list of the supported architectures :
 - GraniteMoE
 - Hubert
 - IBert
+- Idefics3
 - InternLM
 - InternLM2
 - InternVL2
@@ -116,6 +117,7 @@ Here is the list of the supported architectures :
 - SEW
 - SEW-D
 - Segformer
+- SmolVLM(SmolVLM2)
 - SqueezeBert
 - StableLM
 - StarCoder2