[openSUSE/obs-build] 00c682: Also do rich dep handling for PreReqs

1 Dec 2020

      Branch: refs/heads/master
  Home:   https://github.com/openSUSE/obs-build
  Commit: 00c6828ac1429933c4226c9c6ca48c93a35b2e05
      https://github.com/openSUSE/obs-build/commit/00c6828ac1429933c4226c9c6ca48c9...
  Author: Michael Schroeder <mls@suse.de>
  Date:   2020-12-01 (Tue, 01 Dec 2020)

  Changed paths:
    M Build/Rpm.pm

  Log Message:
  -----------
  Also do rich dep handling for PreReqs

Clean up the code by splitting away a new "splitdeps" function.