Kim Zolciak has temporarily lost primary custody of the kids she shares with Kroy Biermann ... the latest twist in their messy legal battle, TMZ has learned. A judge just ruled on Kroy's emergency motion and gave him primary physical custody of the kids.  The 'Real Housewives of Atlanta' alum will have limited parenting time with their 4 minor children every other weekend. Kim and Kroy will continue to share joint legal custody of the children, but Kroy has final decision-making authority