Add ohos ident flag for x86_64 library compile

Change-Id: Ib980b4d783087a48cd1d8e008726dbcc5db7e317
Signed-off-by: Nhaotuo <haotuo@huawei.com>

porting/linux/user/crt/x86_64/crti.s

+.include "crtbrand.s"
+
+.section .init
+.global _init
+_init:
+	push %rax
+
+.section .fini
+.global _fini
+_fini:
+	push %rax