submitted to upstream https://github.com/errordeveloper/oe-meta-go



    go-cross: fix the building failed for quark bsp

    Quark used i586 architecture, and golang dealt intel 32bit
    architecture as 386, so export GOARCH = "386" when the TARGET_ARCH
    is i586 to support quark bsp.

Signed-off-by: fupan li <fupan.li@windriver.com>

Signed-off-by: Amy Fong <amy.fong@windriver.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>