golang.bbclass: use link flags to set rpath
golang.bbclass: use link flags to set rpath

have the linker set rpath directly, rather than using
chrpath afterwards to set it.

Signed-off-by: Matt Madison <1fa2ef4755a9226cb9a0a4840bd89b158ac71391@madison.systems>

madisongh/meta-golang,madisongh/meta-golang,madisongh/meta-golang