* Major endianness fixes on sky code today. The milestone sample and existing

* Major endianness fixes on sky code today.  The milestone sample and existing
  PKE tests run identically on SPARC/Solaris and x86/Linux.

	* sky-pke.c (pke_io_{read,write}_buffer): Endianness fixes aka
 	"E-fixes" in register and FIFO read/writes.
	(pke_code_{pkemscalf,pkemscal}): E-fixes in VU CIA setting.
	(pke_code_{mpg,unpack}): E-fixes in VU memory & tracking updates.
	(pke_code_direct): E-fixes in GPUIF FIFO stuffing.

	* sky-pke.h (PKE_MEM_WRITE): E-fixes in trace file writing.

	* sky-vu0.c (vu0_attach): Allocate micro/data memory with zalloc
 	to guarantee sufficient (16-byte) alignment.

	* sky-vu1.c (vu1_attach): Ditto.
	(vu1_io_read_register_window): *PARTIAL* E-fixes in register accesses.

	* sky-libvpe.c (gif_write): E-fixes in GPUIF FIFO stuffing.

	* sky-gpuif.c (gif_io_{read,write}_buffer): E-fixes in
 	register and FIFO read/writes.

	* sky-dma.c (do_dma_transfer_tag): E-fixes in tag reading.