[tools/kconfig-frontends] append path for scons env
import os
env = Environment()
+env.AppendENVPath('PATH', os.environ['PATH'])
env['CPPPATH'] = ['libs/parser', 'libs']
env['CPPDEFINES'] = ['CURSES_LOC=\\"ncurses.h\\"', 'HAVE_CONFIG_H',
'ROOTMENU=\\"Configuration\\"',
