Update .gitignore

Use *-libtool instead of the arm-specific one to make
`git status ` clean when building with the x86/arm sdk.

Signed-off-by: John Wang <wangzqbj@inspur.com>
Change-Id: If4f734cf89e62a48c1187e5a6937e8b6ebfd5497
diff --git a/.gitignore b/.gitignore
index a992ca3..5a6dc5b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,7 +2,7 @@
 Makefile.in
 aclocal.m4
 ar-lib
-arm-openbmc-linux-gnueabi-libtool
+*-libtool
 autom4te.cache*
 compile
 config.*