No --depth=1 for submodules

Signed-off-by: Sergii Dmytruk <sergii.dmytruk@3mdeb.com>

Makefile

@@ -314,7 +314,7 @@ define define_module =
     # this case, since we don't have a stable version to compare against.
     $(build)/$($1_base_dir)/.canary:
 	git clone --depth=1 $($1_repo) "$(build)/$($1_base_dir)"
-	cd $(build)/$($1_base_dir) && git submodule update --init --checkout --depth=1 
+	cd $(build)/$($1_base_dir) && git submodule update --init --checkout
 	if [ -r patches/$($1_patch_name).patch ]; then \
 		( cd $(build)/$($1_base_dir) ; patch -p1 ) \
 			< patches/$($1_patch_name).patch \