board/lsi: Add a New Target, NOFLASH, for 3500

In some cases, there is no flash (spi or nand). This
target will boot using a built in environment with
no need for flash.

Signed-off-by: John Jacques <john.jacques@lsi.com>
board/lsi: Cleaup Debug Prints

Signed-off-by: John Jacques <john.jacques@lsi.com>
board/lsi: Update Default Environment for NOFLASH Targets

Signed-off-by: John Jacques <john.jacques@lsi.com>
Added AXM35xx MSI support in DTS

Signed-off-by: SangeethaRao <sangeetha.rao@lsi.com>
board/lsi: Cleanup Debug Prints

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