scons: bump to version 2.2.0

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/scons/scons.mk

@@ -1,4 +1,4 @@
-SCONS_VERSION = 2.0.1
+SCONS_VERSION = 2.2.0
 SCONS_SOURCE = scons-$(SCONS_VERSION).tar.gz
 SCONS_SITE = http://downloads.sourceforge.net/project/scons/scons/$(SCONS_VERSION)
 SCONS_LICENSE = MIT