Refresh SAM4E configurations
Fixes to keypadtest from Pierre-Noel Bouteville
EFM32 port and pin decoding backward in every case.  From  Pierre-Noel Bouteville
Fix file naming:  arm_item_syslog.c changed to up_itm_syslog.c.  From  Pierre-Noel Bouteville
Fix compiler errors in up_itm_syslog.c.  From  Pierre-Noel Bouteville
Update ChangeLogs
Another typo in EMF32 GPIO logic
Add EFM32 DMA header file
SAM4E: Fix options to select GPIO interrupts in Kconfig
Kconfig: Allow select of standard board properties for custom board
SAM3/4:  Fix conditional compilation in GPIO IRQ logic
Another fix to SAM3/4 GPIO IRQ issue
SAM4E-EK: Add support for PHY insterrupt
Update ChangeLog
Update EFM32 DMA header file for Gecko support
Fix some typos that I just introduced... Sometimes I can't do anything right
Add framework for EFM32 DMA support -- no logic in place yet
Add some logic to EFM32 DMA module.  Still incomplete
EFM32: A little more DMA logic.  Still incomplete
Dangle whitespace removal