BaseTools: Reduce the LoongArch64 compiler size

BaseTools: Reduce the LoongArch64 compiler size

The LoongArch64 cross compiler size is too large after decompression,
using the new compiler, there is no system library and glibc.

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4233

Cc: Bob Feng <bob.c.feng@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Yuwei Chen <yuwei.chen@intel.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
Reviewed-by: Rebecca Cran <rebecca@bsdio.com>
Signed-off-by: Chao Li <lichao@loongson.cn>