MFC 264203, 264204, 264206, 264218:

  Tell VM we now have ARM platforms with physically discontiguous memory.

  Define the full 1024M of ram on the imx51 and imx53 boards.

  Use a more professional uart device description.
MFC 264219:  Move sys/arm/econa to sys/arm/cavium/cns11xx.
MFC 264230: Move dts files accidentally placed in arm dir to powerpc dir.
MFC 264251:  Updates to i.MX53:

  * Define support for the SDHCI driver, although it doesn't work yet
  * Fix the memory mappings for IPU
MFC 264389: Fix the style of ata_interrupt_locked().
MFC 264428:

  Improve the i.MX53 / Digi DTS:

  * Fix the IPU address.
  * Fix the PATA definition.
  * Add another I2C.
  * Add more UARTs.
  * Add SATA.
MFC 264694: Fix a comment typo; conversion tables are for leap years.
MFC 264702: Remove uncessary armv6 cache and TLB maintenance ops.
MFC 264696, 264721,

  Add the deprecated fp{get,set}* functions, a few ports use them.

  Rename the fp{get,set}* files so they no longer conflict with the
  softfloat version of these files.