Move buildroot to bsp directory.

bsp/buildroot/board/altera/post-image.sh

@@ -0,0 +1,8 @@
+#!/bin/sh
+# post-image.sh for SoCkit/SoCDK
+# 2014, "Roman Diouskine" <roman.diouskine@savoirfairelinux.com>
+# 2014, "Sebastien Bourdelin" <sebastien.bourdelin@savoirfairelinux.com>
+
+# create a DTB file copy with the name expected by the u-boot config
+# Name of the DTB is passed as the second argument to the script.
+cp -af $BINARIES_DIR/${2}.dtb  $BINARIES_DIR/socfpga.dtb