model : add support for ERNIE 4.5 0.3B model (#14408)

Add Day-0 support for Baidu ERNIE 4.5 0.3B model.

Signed-off-by: Weizhao Ouyang <weizhao.ouyang@arm.com>

src/llama-arch.h

@@ -80,6 +80,7 @@ enum llm_arch {
     LLM_ARCH_BAILINGMOE,
     LLM_ARCH_DOTS1,
     LLM_ARCH_ARCEE,
+    LLM_ARCH_ERNIE4_5,
     LLM_ARCH_UNKNOWN,
 };