enable auto-zq calibration (fixed interval for now)

Signed-off-by: Gary McGee <gary.mcgee@lsi.com>
improve robustness of coarse write leveling
Merge branch 'lsi-v2013.01.01' of github.com:lsigithub/lsi_axxia_uboot into lsi-v2013.01.01

Conflicts:
	board/lsi/common/ncp_sysmem_init_lsiphy.c
Got ncr tracing to work again (used to compare the RTE's memory
initialization with U-Boot's).
Signed-off-by: John Jacques <john.jacques@lsi.com>
Don't trace ncr accesses during memory initialization by default.
Signed-off-by: John Jacques <john.jacques@lsi.com>
Work around for BZ 46214.  Requires Linux with the work
around as well.
Signed-off-by: John Jacques <john.jacques@lsi.com>
Added work around for ARM errata 784420.
Signed-off-by: John Jacques <john.jacques@lsi.com>
arm: Axxia Caching Issues

The function calls required to flush the L3 cache were made while
the L1 and L2 caches were enabled.  Anything in L1 or L2 was lost
when all caches are invalidated after the flush.

Signed-off-by: John Jacques <john.jacques@lsi.com>