scripts/qemu-binfmt-conf: Add LoongArch to qemu_get_family()

qemu_get_family() needs to add LoongArch support.

Signed-off-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20220705065943.2353930-1-gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

scripts/qemu-binfmt-conf.sh

@@ -171,6 +171,9 @@ qemu_get_family() {
     riscv*)
         echo "riscv"
         ;;
+    loongarch*)
+        echo "loongarch"
+        ;;
     *)
         echo "$cpu"
         ;;