sh: Fix cannot work rtl8139 on r2dplus

The rtl8139 driver use pci_mem_to_phys. So it need PCI system memory
registration.

Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
1 file changed