update xpu cmake (#33906)

cmake/external/xpu.cmake

@@ -34,10 +34,11 @@ ELSE ()
   SET(XPU_XCCL_DIR_NAME "xccl-bdcentos_x86_64")
 ENDIF()
 
-SET(XPU_BASE_URL "https://baidu-kunlun-product.cdn.bcebos.com/KL-SDK/klsdk-dev")
-SET(XPU_XRE_URL  "${XPU_BASE_URL}/20210625/${XPU_XRE_DIR_NAME}.tar.gz" CACHE STRING "" FORCE)
-SET(XPU_XDNN_URL "${XPU_BASE_URL}/20210625/${XPU_XDNN_DIR_NAME}.tar.gz" CACHE STRING "" FORCE)
-SET(XPU_XCCL_URL "${XPU_BASE_URL}/20210623/${XPU_XCCL_DIR_NAME}.tar.gz" CACHE STRING "" FORCE)
+SET(XPU_BASE_URL_WITHOUT_DATE "https://baidu-kunlun-product.cdn.bcebos.com/KL-SDK/klsdk-dev")
+SET(XPU_BASE_URL "${XPU_BASE_URL_WITHOUT_DATE}/20210625")
+SET(XPU_XRE_URL  "${XPU_BASE_URL}/${XPU_XRE_DIR_NAME}.tar.gz" CACHE STRING "" FORCE)
+SET(XPU_XDNN_URL "${XPU_BASE_URL}/${XPU_XDNN_DIR_NAME}.tar.gz" CACHE STRING "" FORCE)
+SET(XPU_XCCL_URL "${XPU_BASE_URL_WITHOUT_DATE}/20210623/${XPU_XCCL_DIR_NAME}.tar.gz" CACHE STRING "" FORCE)
 SET(XPU_PACK_DEPENCE_URL "https://baidu-kunlun-public.su.bcebos.com/paddle_depence/pack_paddle_depence.sh" CACHE STRING "" FORCE)
 
 SET(XPU_SOURCE_DIR              "${THIRD_PARTY_PATH}/xpu")