Bump buildroot to version 2017-02

TG-3 #closed

bsp/buildroot/package/python-psutil/Config.in

@@ -1,8 +1,13 @@
 config BR2_PACKAGE_PYTHON_PSUTIL
 	bool "python-psutil"
+	# sys/sysinfo.h conflict with kernel headers
+	depends on !BR2_TOOLCHAIN_USES_MUSL
 	help
 	  psutil is a cross-platform library for retrieving
 	  information on running processes and system utilization
 	  (CPU, memory, disks, network) in Python.
 
 	  https://pypi.python.org/pypi/psutil
+
+comment "python-psutil needs a uClibc or glibc toolchain"
+	depends on BR2_TOOLCHAIN_USES_MUSL