busybox: do not pack relocations for executables

According to https://github.com/CyanogenMod/android_build/commit/f55c5a52ac3d523cdcfb7cd7ab093d01da8b3caf

Fixes building static busybox

Change-Id: Ife848a8204188e7a036cc0ff032d4eb879ab19ab
1 file changed