board/lsi: Code Cleanup

Signed-off-by: John Jacques <john.jacques@lsi.com>
board/lsi: Add U-Boot Environment Support to the SPL

Signed-off-by: John Jacques <john.jacques@lsi.com>
board/lsi: Watchdog Timer Support

Add support for the watchdog timer.  To enable, define
CONFIG_HW_WATCHDOG in include/configs/axxia-arm.h.

Signed-off-by: John Jacques <john.jacques@lsi.com>
board/lsi: Splash Screen Cleanup

Signed-off-by: John Jacques <john.jacques@lsi.com>
board/lsi: Handle Disabling WFE Correctly

In v1.0 silicon, cross-cluster events don't always work.
The work around is to may WFE a nop on v1.0 silicon by
setting bit 7 in the ACTLR for each core.  The code that
determined the silicon version was wrong; this patch fixes
that code.

Signed-off-by: John Jacques <john.jacques@lsi.com>
Updated PCIe SerDes config such that if PEI1 is not used,
HSS6 is powered down.

Signed-off-by: SangeethaRao <sangeetha.rao@lsi.com>
board/lsi: Add Support for Normal Mode (NS=1)

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