tools/scons: update scons to 3.1.1

This version bump includes a bunch of fixes and improvements, which
should fix gpsd build breakage in the package feeds.

Ref: https://github.com/SCons/scons/blob/master/src/CHANGES.txt
Signed-off-by: Russell Senior <russell@personaltelco.net>
[added missing commit description]
Signed-off-by: Petr Štetiar <ynezz@true.cz>

tools/scons/Makefile

@@ -8,12 +8,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=scons
-PKG_VERSION:=3.0.5
+PKG_VERSION:=3.1.1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=@SF/scons \
 		http://fossies.org/linux/misc/
-PKG_HASH:=df676f23dc6d4bfa384fc389d95dcd21ab907e6349d4c848958ba4befb73c73e
+PKG_HASH:=4cea417fdd7499a36f407923d03b4b7000b0f9e8fd7b31b316b9ce7eba9143a5
 
 include $(INCLUDE_DIR)/host-build.mk