Exclude hidden files from patch md5sum

Change-Id: I7fb724d86fadcce5b397de9df6a6ef39ea88254b

vendorsetup.sh

@@ -44,7 +44,7 @@ B2G_PATCH_DIRS=${B2G_PATCH_DIRS_OVERRIDE:-device/qcom/b2g_common/patch}
 __tree_md5sum()
 {
    (
-      FILELIST="$(find $@ -type f 2>/dev/null) ${B2G_HASHED_FILES}"
+      FILELIST="$(find $@ -type f ! -path "*/.*" 2>/dev/null) ${B2G_HASHED_FILES}"
       if [[ -n "${B2G_USE_REPO}" ]]; then
          ${REPO} manifest -r -o - 2>/dev/null
       fi