Fix math/openblas and bump dependent ports

• Fix build on i386 [1]
• Fix science/code_saturne build with new openblas [2]
• Avoid installing private headers [3]
• Prevent build from optimizing for host by correcting build confg [4]
• Bump portrevision of dependent ports [5]

This is correcting issues from r523749 [1][2][4] and r515970 [3]

PR: 231371
Reported by: build cluster [1]
Reported by: Dima Pasechnik <dimpase+freebsd@gmail.com> [2]
Reported by: many [5]
Reviewed by: mat, bapt
Approved by: implicit, since this is a build fix