Update .gitmodules

update url for qemu.

Signed-off-by: wanlinwang <32032219+wanlinwang@users.noreply.github.com>

Author: wanlinwang

.gitmodules

@@ -23,7 +23,7 @@
 	branch = fsf-gdb-10.1-with-sim
 [submodule "qemu"]
 	path = qemu
-	url = https://git.qemu.org/git/qemu.git
+	url = https://gitlab.com/qemu-project/qemu.git
 [submodule "musl"]
 	path = musl
 	url = git://git.musl-libc.org/musl