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

 # m68k specific configuration file

 ## select ARCH_SUPPORTS_32

 ## select ARCH_DEFAULT_32

 ## select ARCH_DEFAULT_BE

 ## select ARCH_SUPPORTS_WITH_CPU

 ##

 ## help The m68k architecture