sample: nano: benchmark object: update BOARD to arduino_101

Updated board to arduino_101 and updated nanokernel_objects.c
NANO_CPU_INT_REGISTER macro args.

Change-Id: I5281a84138ef031ae82cdd80ab617f94b3f712af
Signed-off-by: Javier B Perez Hernandez <javier.b.perez.hernandez@linux.intel.com>
2 files changed