Fix incorrect path to osa repo

Issue-ID: SECCOM-239
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Change-Id: I8de1f4ea239acb972d0b71df2d7ddec41678a0fb
diff --git a/.gitmodules b/.gitmodules
index 8c9e7e9..d78cf40 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -405,4 +405,6 @@
 	ignore = dirty
 [submodule "docs/submodules/osa.git"]
 	path = docs/submodules/osa.git
-	url = ../../osa/
+	url = ../osa/
+	branch = master
+	ignore = dirty