asus/a8n-e: Fix GPIO resources.

Allocator can't currently handle both PnP and PCI resources together.
Only 2 resources in PnP are not fixed. So fix them.

Change-Id: Iad695d1d991d110b726ec429fff87c616af5ac8b
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4815
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>

src/mainboard/asus/a8n_e/devicetree.cb

@@ -48,6 +48,8 @@ chip northbridge/amd/amdk8/root_complex		# Root complex
               end
               device pnp 2e.7 on		# GPIO config
                 io 0x60 = 0x0800
+		io 0x62 = 0x0808
+		io 0x64 = 0x0810
                 # Set GPIO 1 & 2
                 io 0x25 = 0x0000
                 # Set GPIO 3 & 4