libc logic should not directly assign errno, but should use set_errno() macro.  This is because in the kernel build, errno is a system call

Add board support infrastructure for the pcDuino board.  There is not much there on the initial checkin

MTD NAND: Check if block number is out of ragne at top of loop, not bottom, to avoid some bogus transfers

LM: Don't initialize .data if running in SRAM.  Global missing intialize type.  SAMA5 NAND: Fix for read nand in smaller chunks