Get rid of the borked sdkdir variable. Fixes (partially): https://bugs.busybox.net/show_bug.cgi?id=8696 Reported-by: buildroot@netsolux.ch Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Cc: buildroot@netsolux.ch Cc: Gustavo Zacarias <gustavo@zacarias.com.ar> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>