microblaze: Migrate DCACHE/ICACHE to Kconfig

Move these two options to the arch Kconfig file.

Cc: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
Acked-by: Michal Simek <michal.simek@xilinx.com>
2 files changed