arch/Config.in.sh: move BR2_ARCH_HAS_MMU_MANDATORY one level up
Now that all SuperH cores have an MMU, and must use it, move back the
select BR2_ARCH_HAS_MMU_MANDATORY one level up.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
(cherry picked from commit ec190481a76b494d348e0e03cfa3c580bb444d03)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>