ARM: l2c: highbank: convert to generic l2c OF initialisation

Remove the explicit call to l2x0_of_init(), converting to the generic
infrastructure instead.
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-highbank/highbank.c

@@ -66,12 +66,6 @@ static void __init highbank_init_irq(void)
 
 	if (of_find_compatible_node(NULL, NULL, "arm,cortex-a9"))
 		highbank_scu_map_io();
-
-	/* Enable PL310 L2 Cache controller */
-	if (IS_ENABLED(CONFIG_CACHE_L2X0)) {
-		outer_cache.write_sec = highbank_l2c310_write_sec;
-		l2x0_of_init(0, ~0);
-	}
 }
 
 static void highbank_power_off(void)
@@ -185,6 +179,9 @@ DT_MACHINE_START(HIGHBANK, "Highbank")
 #if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE)
 	.dma_zone_size	= (4ULL * SZ_1G),
 #endif
+	.l2c_aux_val	= 0,
+	.l2c_aux_mask	= ~0,
+	.l2c_write_sec	= highbank_l2c310_write_sec,
 	.init_irq	= highbank_init_irq,
 	.init_machine	= highbank_init,
 	.dt_compat	= highbank_match,