[LPC4337] first commit

just confirmed with >workspace_tools\make.py -m LPC4337_M4 -t ARM -p 25
Merge remote-tracking branch 'upstream/master'
[LPC4337] move files from LPC43XX to LPC4330
[LPC4337] renamed target name from LPC4337_M4 to LPC4337
[LPC4337] support Rev.B board on PinNames.h
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
[LPC4337] support RTOS
[LPC4337] support AnalogOut
Merge pull request #485 from Accutechs/master

[LPC4337] add support