samples: add arm-cortexa9_neon-linux-gnueabihf

Signed-off-by: "Benoît Thébaudeau" <benoit.thebaudeau@advansee.com>
[yann.morin.1998@free.fr: make it a defconfig with pinned versions]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Message-Id: <bdf1fde968aee8d0cd95.1360063830@advdt005-ubuntu>
Patchwork-Id: 218239

 python

 import sys

 sys.path.insert(0, '@@PREFIX@@/share/gcc-@@VERSION@@/python')

 from libstdcxx.v6.printers import register_libstdcxx_printers

 register_libstdcxx_printers (None)

 end