Make sure LPC targets that aren't named LPC get the crc added into the nvic.
[MTS_GAMBIT][K64F][exporters][net] Update directory names for K64F to allow derivative platforms. Change net/eth/lwip-eth/arch directory name to allow K64F derivative EthernetInterface support. Disable Ethernet in MTS_GAMBIT device.h - seems depreciated or just not implemented. Add MTS_GAMBIT exporters for uvision and gcc_arm
Merge branch 'master' of https://github.com/sg-/mbed

Conflicts:
	workspace_tools/targets.py
	workspace_tools/toolchains/__init__.py
Merge pull request #477 from sg-/master

Add derivative support to K64F and updates for MTS_GAMBIT