linux-phytec-ti

powerpc/setup: Remove unnecessary #ifdef CONFIG_ALTIVEC

CPU_FTR_ALTIVEC is only set when CONFIG_ALTIVEC is selected, so
the ifdef is unnecessary.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>