This patch adds two gcc commits to fix musl libdir path for loongarch64:
* 13c5de14 ("LoongArch: Fix MUSL_DYNAMIC_LINKER")
* a5f1bdfc ("LoongArch: Modify MUSL_DYNAMIC_LINKER.")
* 2f7d4728 ("LoongArch: Use /lib instead of /lib64 as the library search path for MUSL.")
Signed-off-by: WANG Rui <wangrui@loongson.cn>