SAM4E: Fix EMAC pin configuration.  Driver is basically functionaly now.  SAM4E-EK NSH configuration now has networking enabled by default

The old lm/ directories were enamed tiva/ to better support new products coming down the pipe from TI

Fix some confusion in the code about vectored interrupts; fix so that it builds with prioritized interrutps disabed

configs/olimex-lpc2378/src:  Files renamed to correspond with current thinking about naming; defconfigs refreshed

configs/pic32-starterkit, pic32mx7mmb, stm3210e-eval, stm3220g-eval, and stm3240g-eval:  Refresh all configurations with the latest Kconfig files

Refresh several defconfig files to (1) bring them up-to-date, and (2) to confirm that no bugs were introduced in recent massive Kconfig file changes