golint: reduce cyclomatic complexity of loadPolicy
golint: reduce cyclomatic complexity of loadPolicy

Moved for loops into own functions. Fixes the following warning

 Line 154: warning: cyclomatic complexity 17 of function loadPolicy() is high (> 15) (gocyclo)

Related-to: #153 (Resolve golint warnings)
Signed-off-by: Alexander Alemayhu <e46fc836cca3acec03944314d1457c2ae6c68ef3@alemayhu.com>

scanf/cilium,mskarbek/cilium,gumpt/cilium,michi-covalent/cilium,tgraf/cilium,eloycoto/cilium,mskarbek/cilium,mskarbek/cilium,scanf/cilium,gumpt/cilium,cilium-team/cilium,scanf/cilium,eloycoto/cilium,cilium/cilium,gumpt/cilium,cilium/cilium,tgraf/cilium,michi-covalent/cilium,tklauser/cilium,eloycoto/cilium,gumpt/cilium,tgraf/cilium,scanf/cilium,tklauser/cilium,scanf/cilium,tklauser/cilium,eloycoto/cilium,tgraf/cilium,mskarbek/cilium,scanf/cilium,cilium-team/cilium,mskarbek/cilium,gumpt/cilium,tgraf/cilium,gumpt/cilium,gumpt/cilium,mskarbek/cilium,cilium/cilium,cilium/cilium,tklauser/cilium,scanf/cilium,tklauser/cilium,michi-covalent/cilium,cilium/cilium,eloycoto/cilium,michi-covalent/cilium,eloycoto/cilium,eloycoto/cilium,tgraf/cilium,michi-covalent/cilium