binutils: disable <2.24 for aarch64

Versions lower than 2.24 fail to build a working kernel as in:

Freeing unused kernel memory: 184K (ffffffc00059a000 - ffffffc0005c8000)
init[1]: unhandled level 2 translation fault (11) at 0x00000008, esr
0x92000006
pgd = ffffffc876403000
[00000008] *pgd=00000008f6ea0003, *pmd=0000000000000000

[Peter: adjust commit message]
Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>