FogBugz #411698-4: socfpga: dts: Add A10-SR Devkit power supply alarms

commit  f9b7a88b7f2f5801e1e163d61b34be21abac1d4a from
https://github.com/altera-opensource/linux-socfpga.git



Add the Altera Arria10 Devkit power supply alarms.
[backport 'commit c5c3b0edeffe ("FogBugz #411698-4: socfpga: dts:
                         Add A10-SR Devkit power supply alarms")']

Signed-off-by: Thor Thayer <tthayer@opensource.altera.com>
Signed-off-by: Meng Li <Meng.Li@windriver.com>