powerpc/powernv: Use early_radix_enabled in POWER9 tlb flush

This code is used at boot and machine checks, so it should be using
early_radix_enabled() (which is usable any time).
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

arch/powerpc/kernel/mce_power.c

@@ -128,7 +128,7 @@ void __flush_tlb_power9(unsigned int action)
 {
 	unsigned int num_sets;
 
-	if (radix_enabled())
+	if (early_radix_enabled())
 		num_sets = POWER9_TLB_SETS_RADIX;
 	else
 		num_sets = POWER9_TLB_SETS_HASH;