Update .gitignore

Change-Id: I46c0ab9ce1d7ab0abbe9647429ba44d204aa4e82
diff --git a/.gitignore b/.gitignore
index 14ae9bc..4233db9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -96,6 +96,7 @@
 /rbutil/mkimxboot/mkimxboot
 /rbutil/mknwzboot/mknwzboot
 /rbutil/mkzenboot/mkzenboot
+/rbutil/sansapatcher/sansapatcher
 /rbutil/tools/bin2c
 
 # /tools/
@@ -160,6 +161,17 @@
 /utils/jz4740_tools/jz_xloader.*
 /utils/jz4740_tools/bin2c
 
+# /utils/jz4760_tools
+/utils/jz4760_tools/packtools
+/utils/jz4760_tools/usbboot
+
+# /utils/nwztools
+/utils/nwztools/scsitools/scsitool
+/utils/nwztools/upgtools/upgtool
+
+#  utils/rk27utils 
+/utils/rk27utils/rkboottool/rkboottool
+
 # /utils/themeeditor/
 /utils/themeeditor/debug
 /utils/themeeditor/release