moved boards into subdirectory

boards/msba2-common/tools/src/boot.h

boards/msba2-common/tools/src/boot_23xx.armasm

boards/msba2-common/tools/src/boot_23xx.c

boards/msba2-common/tools/src/boot_23xx.h

boards/msba2-common/tools/src/boot_2xxx.armasm

boards/msba2-common/tools/src/boot_2xxx.c

boards/msba2-common/tools/src/boot_2xxx.h

boards/msba2-common/tools/src/chipinfo.c

boards/msba2-common/tools/src/chipinfo.h

boards/msba2-common/tools/src/cksum_test.c

boards/msba2-common/tools/src/control_2xxx.c

boards/msba2-common/tools/src/control_2xxx.h

boards/msba2-common/tools/src/download.c

boards/msba2-common/tools/src/download.h

boards/msba2-common/tools/src/gui.c

boards/msba2-common/tools/src/gui.h

boards/msba2-common/tools/src/ihex.c

boards/msba2-common/tools/src/ihex.h

boards/msba2-common/tools/src/lpc2k_pgm.c

boards/msba2-common/tools/src/lpc2k_pgm.h