virtio-9p: move 9p files around

Now that we start adding more files related to 9pfs
it make sense to move them to a separate directory

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
diff --git a/configure b/configure
index 35f7e8b..6f75e2e 100755
--- a/configure
+++ b/configure
@@ -3062,6 +3062,7 @@
 mkdir -p $target_dir/fpu
 mkdir -p $target_dir/tcg
 mkdir -p $target_dir/ide
+mkdir -p $target_dir/9pfs
 if test "$target" = "arm-linux-user" -o "$target" = "armeb-linux-user" -o "$target" = "arm-bsd-user" -o "$target" = "armeb-bsd-user" ; then
   mkdir -p $target_dir/nwfpe
 fi
@@ -3488,6 +3489,7 @@
   mkdir -p $d
   mkdir -p $d/ide
   symlink $source_path/Makefile.hw $d/Makefile
+  mkdir -p $d/9pfs
   echo "QEMU_CFLAGS+=-DTARGET_PHYS_ADDR_BITS=$hwlib" > $d/config.mak
 done