ELF:  Fix compilation error when CONFIG_ELF_DUMPBUFFER is defined.  From Pelle Windestam
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IOB:  Remove private data.  Not needed
First check-in of Lazlo's PF_PACKET 'raw' socket implementation
Raw sockets:  Additional changes for error-free/warning-free compilation
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Minor documentation update
Cosmetic plus some configuration default changes
SAMA5D4: Initial XDMAC driver logic; initial check-in is little more the the DMAC driver with some name changes
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Correct contact information
SAMA5: XDMAC update (still not complete)
SAMA5D4: Fix some memory remapping issues; updates to comments and README files
SAMA5D4: Implement SDRAM initialization
SAMA5D4: Correct MATRIX register addresses
SAMA5D4-EK:  Add an SDRAM test configuration
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Add support for seekable memory streams
Add support for seekable raw streams
Add seekable standard streams