runqemu: drop RPC ports
The following commit has removed rpc ports from runqemu-export-rootfs, so
runqemu should also remove them, otherwise "runqemu nfs" doesn't work. And use
abspath for nfsroot, otherwise it doesn't work when it is a relative path.
commit
6bb9860ef7ba9c84fe9bd3a81aa6555f67ebd38e
Author: Cody P Schafer <dev@codyps.com>
Date: Tue Jun 6 18:30:49 2017 -0400
runqemu-export-rootfs: don't change RPC ports
[YOCTO #11687]
Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>