arm: socfpga: soc64: Add SDM triggered warm reset bit mask

Include SDM triggered warm reset bit (BIT1) in Reset Manager's stat
register when checking for HPS warm reset status.
Refactor the warm reset mask macro for clarity purpose.

Signed-off-by: Chee Hong Ang <chee.hong.ang@intel.com>
Reviewed-by: Ley Foon Tan <ley.foon.tan@intel.com>
1 file changed