fix(setup_board): Install baselayout with USE=build
fix(setup_board): Install baselayout with USE=build

We need to install baselayout with the build use flag as the very first
package in the new board sysroot to ensure the system's directory
structure is created correctly. This should resolve surprise failures
with the bootengine ebuild.

smilart/scripts,gtank/scripts,BugRoger/scripts,mjg59/scripts,coreos/scripts,zhang0137/scripts,mjg59/scripts,nicescale/scripts,marineam/coreos-scripts,andrejro/coreos--scripts,crawford/scripts,sigma/coreos-scripts,gtank/scripts,bcwaldon/coreos-scripts,crawford/scripts,trnubo/scripts,marineam/coreos-scripts,mischief/scripts,crawford/scripts,marineam/coreos-scripts,zhang0137/scripts,smilart/scripts,endocode/scripts,vmware/coreos-scripts,zhang0137/scripts,BugRoger/scripts,vmware/coreos-scripts,smilart/scripts,mischief/scripts,andrejro/coreos--scripts,bcwaldon/coreos-scripts,glevand/coreos--scripts,glevand/coreos--scripts,trnubo/scripts,mjg59/scripts,mischief/scripts,vmware/coreos-scripts,coreos/scripts,fivethreeo/scripts,bcwaldon/coreos-scripts,sigma/coreos-scripts,nicescale/scripts,BugRoger/scripts,gtank/scripts,fivethreeo/scripts,nicescale/scripts,endocode/scripts,andrejro/coreos--scripts,fivethreeo/scripts,sigma/coreos-scripts,endocode/scripts,trnubo/scripts