powerpc/prom_init: Make "fake_elf" const

It is never modified

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Benjamin Herrenschmidt 2018-05-31 14:33:40 +10:00 • committed by Michael Ellerman
commit 30c69ca048