[Hardware][Powerpc]Enable prefix caching and chunked prefill for ppc64le

vllm/engine/arg_utils.py

@@ -2017,20 +2017,19 @@ def _set_default_chunked_prefill_and_prefix_caching_args(
             )
 
         # Disable chunked prefill and prefix caching for:
-        # POWER (ppc64le)/s390x/RISCV CPUs in V1
+        # s390x/RISCV CPUs in V1
         if current_platform.is_cpu() and current_platform.get_cpu_architecture() in (
-            CpuArchEnum.POWERPC,
             CpuArchEnum.S390X,
             CpuArchEnum.RISCV,
         ):
             logger.info(
-                "Chunked prefill is not supported for POWER, "
+                "Chunked prefill is not supported for "
                 "S390X and RISC-V CPUs; "
                 "disabling it for V1 backend."
             )
             self.enable_chunked_prefill = False
             logger.info(
-                "Prefix caching is not supported for POWER, "
+                "Prefix caching is not supported for "
                 "S390X and RISC-V CPUs; "
                 "disabling it for V1 backend."
             )