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
EFM32:  Completes very basic DMA support.  Needs review.  Untested
EFM32: Correct handling of DMA descriptors; Add initialization of DMA CTRLBASE
SAM4E-EK:  Add -fno-strict-aliasing
Add debug assertion
EFM32: More fixes to DMA descriptor table logic
EFM32: Fix misconception in DMA control descriptor alignment
EFM32 DMA: Cosmetic changes to debug instrumentatin and comments
EFM32: dma_config_t needs to be only 16-bits for now
Remove unnecessary header file inclusion
EFM32:  Integrate Pierre's SPI driver
EFM32: Integrate SPI DMA capability