d2att: Set correct default APN

Change-Id: I4e7a810192ace4cab5537391947fae534e65676e
d2att: Add bootloader assertion

 * We need the latest firmware.

Change-Id: Idff5e936bc4cb1cfcd6a60398fae8739aa17ebe9

Conflicts:
	BoardConfig.mk
d2att: Add Canadian bootloader to assert

Add bootloader version from the latest firmware release to the assert list.
Us Canadians shouldn't be missing out on the party.

Change-Id: Ic9484728be9e76556f330282fc6972fb8c1f2722