Ignore warnings to enable llvm15

Ignore deprecated-pargma
Issue: #I6ID6E
Signed-off-by: Nguzhihao4 <guzhihao4@huawei.com>
Change-Id: I70f61895092ae592380f6c187f8c141cec53e0bc

services/param/linux/BUILD.gn

@@ -148,6 +148,7 @@ if (defined(ohos_lite)) {
     include_dirs = param_include_dirs
     public_configs = [ ":exported_header_files" ]
     deps = []
+    cflags = [ "-Wno-deprecated-pragma" ]
     defines = [
       "_GNU_SOURCE",
       "INIT_AGENT",