package/uboot-tools: revert the removal of 0001-drop-configh-from-tools.patch

package/uboot-tools: revert the removal of 0001-drop-configh-from-tools.patch

Patch 0001-drop-configh-from-tools.patch is not upstream, instead it
must be rebased on top of 2017.05 release since the code was moved by
[1].

Fixes:
http://autobuild.buildroot.net/results/949/94910513d1b14e3b02ec4aed34de89d1b1d7a12a

[1] http://git.denx.de/?p=u-boot.git;a=commit;h=9d80b49a671c9922931adcd823aab0ed319a42d1

Signed-off-by: Romain Naour <romain.naour@gmail.com>
Cc:  Fabio Estevam <festevam@gmail.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>