Add srecord as dependency to build opentitan software.
Add srecord as dependency to build opentitan software.

Change-Id: I305fdf5d57056393d730a58862cc4c14169aa20c
GitOrigin-RevId: 1c750d444262bb9e0b5e5b82434510db4b809656

AmbiML/sparrow-scripts-full,AmbiML/sparrow-scripts-full