gitignore: updates for vi temp files

Add vim temp files, ctags, and *.patch

Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
diff --git a/.gitignore b/.gitignore
index 44e2058..ad2310a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,6 +15,11 @@
 .deps/
 .dirstamp
 .libs
+*~
+.*.swp
+.*.swo
+*.patch
+tags
 aclocal.m4
 autom4te.cache/
 [Bb]uild/