[rtems-lwip] Switch submodule protocol to https to allow use in restricted network environments

[berndmoessner80 at gmail.com]

From: Bernd Moessner <berndmoessner80 at gmail.com>

---
 .gitmodules | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.gitmodules b/.gitmodules
index 4ea46da..e772af8 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,6 +1,6 @@
 [submodule "lwip-upstream"]
 	path = lwip-upstream
-	url = git://git.savannah.gnu.org/lwip.git
+	url = https://git.savannah.gnu.org/cgit/lwip.git
 [submodule "rtems_waf"]
 	path = rtems_waf
-	url = git://git.rtems.org/rtems_waf.git
+	url = https://git.rtems.org/rtems_waf
-- 
2.34.1