I2C fix added, SPI slave fixes added and SPISLAVE enabled#3597

Closed

pradeep-gr wants to merge 3 commits intoARMmbed:masterfrom

pradeep-gr:origin

Commits on Dec 16, 2016

flash A and B merged. add_fib.py will merge flash banks A and B in the
pradeep-gr
committed

Commits on Dec 21, 2016

GCC linker script changes to enable both flash banks A and B in NCS36510.
pradeep-gr
committed

Commits on Jan 17, 2017

I2C fix added. SPI slave fix added and SPISLAVE enabled
pradeep-gr
committed