Add generated files to .gitignore

Add generated and temporary files to .gitignore rules to prevent them from
cluttering up git status or being accidently committed.

Signed-off-by: Allen Martin <amartin@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>

.gitignore

@@ -2,3 +2,21 @@ bct_dump
 cbootimage
 .*.swp
 *.o
+*~
+
+.deps
+.dirstamp
+Makefile
+Makefile.in
+/aclocal.m4
+/autom4te.cache/
+/compile
+/config.h
+/config.h.in
+/config.log
+/config.status
+/configure
+/depcomp
+/install-sh
+/missing
+/stamp-h1