arm: socfpga: sysmgr: Add FPGA bits into system manager

arm: socfpga: sysmgr: Add FPGA bits into system manager

Add missing system manager bits from Altera U-Boot to make the code
comparable. These are the bits which depend on the FPGA manager.

Signed-off-by: Marek Vasut <[email protected]>
Cc: Chin Liang See <[email protected]>
Cc: Dinh Nguyen <[email protected]>
Cc: Albert Aribaud <[email protected]>
Cc: Tom Rini <[email protected]>
Cc: Wolfgang Denk <[email protected]>
Cc: Pavel Machek <[email protected]>
Acked-by: Pavel Machek <[email protected]>