added u-boot location

target/Config.in

@@ -18,6 +18,7 @@ source "target/x86/grub/Config.in"
 #source "target/x86/grub2/Config.in"
 source "target/x86/syslinux/Config.in"
 source "target/powerpc/yaboot/Config.in"
+source "target/device/Atmel/u-boot/Config.in"
 endmenu
 
 menu "Kernel"

target/Makefile.in

@@ -10,6 +10,8 @@ include target/generic/Makefile.in
 include target/device/Makefile.in
 include target/x86/Makefile.in
 include target/powerpc/Makefile.in
+include target/device/Atmel/u-boot/u-boot.mk
+
 # and finally build the filesystems/tarballs
 include target/*/*.mk