bc2: Add support to new RD MTL BC2 board

	- Update board scructures for RD MTL BC2 board:
		* Remove second OOB port
		* Add EEPROM and CPLD TWSI devices
	- Allow reading board ID and revision information from CPLD
	- Add DDR3 topology for supporting the new board
	- For correct support of this board a 24C64 EEPROM should
	  be installed into socket U7 and programmed with board ID=2

Change-Id: I25f4f5e019630f0785fe3636fc51959b8b5f5c85
Signed-off-by: kostap <kostap@marvell.com>
Reviewed-on: http://vgitil04.il.marvell.com:8080/19289
Reviewed-by: Omri Itach <omrii@marvell.com>
Tested-by: Omri Itach <omrii@marvell.com>
(cherry picked from commit 91eeeacc770dbd58af4ed00976b08417d78fd129)
Reviewed-on: http://vgitil04.il.marvell.com:8080/19717
Tested-by: Star_Automation <star@marvell.com>
5 files changed