Make git ignore Emacs style backup files and cscope files.
diff --git a/.gitignore b/.gitignore
index 4386f40..d38beb7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -49,6 +49,7 @@
 bsd-core/via_verifier.c
 bsd-core/via_verifier.h
 bsd-core/via_video.c
+*~
 *.flags
 *.ko
 *.ko.cmd
@@ -74,6 +75,7 @@
 config.status
 config.sub
 configure
+cscope.*
 depcomp
 device_if.h
 drm.kld