target-microblaze: Add support for extended access to TLBLO

Add support for extended access to TLBLO's upper 32 bits.

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
diff --git a/target/microblaze/op_helper.c b/target/microblaze/op_helper.c
index 4dc3aff..ddc1f71 100644
--- a/target/microblaze/op_helper.c
+++ b/target/microblaze/op_helper.c
@@ -476,14 +476,14 @@
 
 #if !defined(CONFIG_USER_ONLY)
 /* Writes/reads to the MMU's special regs end up here.  */
-uint32_t helper_mmu_read(CPUMBState *env, uint32_t rn)
+uint32_t helper_mmu_read(CPUMBState *env, uint32_t ext, uint32_t rn)
 {
-    return mmu_read(env, rn);
+    return mmu_read(env, ext, rn);
 }
 
-void helper_mmu_write(CPUMBState *env, uint32_t rn, uint32_t v)
+void helper_mmu_write(CPUMBState *env, uint32_t ext, uint32_t rn, uint32_t v)
 {
-    mmu_write(env, rn, v);
+    mmu_write(env, ext, rn, v);
 }
 
 void mb_cpu_unassigned_access(CPUState *cs, hwaddr addr,