GCC has changed musl dynamic linker name from
ld-musl-loongarch-lp64d.so.1 to ld-musl-loongarch64.so.1 recently [1].
Meanwhile musl 1.2.5 only supports the new name. So it's better to follow
the new name.
[1] https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=8bccee51f0deac64b79cd9ad75df599422f4c8ff
Signed-off-by: Weijie Gao <hackpascal@gmail.com>