nios2: Initialize cpuinfo.mmu

This patch initializes the mmu field of the cpuinfo structure to the
value supplied by the devicetree.
Signed-off-by: NWalter Goossens <waltergoossens@home.nl>
Acked-by: NLey Foon Tan <lftan@altera.com>

arch/nios2/kernel/cpuinfo.c

@@ -72,6 +72,7 @@ void __init setup_cpuinfo(void)
 	cpuinfo.has_div = fcpu_has(cpu, "altr,has-div");
 	cpuinfo.has_mul = fcpu_has(cpu, "altr,has-mul");
 	cpuinfo.has_mulx = fcpu_has(cpu, "altr,has-mulx");
+	cpuinfo.mmu = fcpu_has(cpu, "altr,has-mmu");
 
 	if (IS_ENABLED(CONFIG_NIOS2_HW_DIV_SUPPORT) && !cpuinfo.has_div)
 		err_cpu("DIV");