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

Remove the explicit call to l2x0_of_init(), converting to the generic
infrastructure instead.  This also allows us to eliminate the
.init_machine function as this becomes the same as the generic version.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-rockchip/rockchip.c

@@ -24,12 +24,6 @@
 #include <asm/hardware/cache-l2x0.h>
 #include "core.h"
 
-static void __init rockchip_dt_init(void)
-{
-	l2x0_of_init(0, ~0);
-	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
-}
-
 static const char * const rockchip_board_dt_compat[] = {
 	"rockchip,rk2928",
 	"rockchip,rk3066a",
@@ -39,7 +33,8 @@ static const char * const rockchip_board_dt_compat[] = {
 };
 
 DT_MACHINE_START(ROCKCHIP_DT, "Rockchip Cortex-A9 (Device Tree)")
+	.l2c_aux_val	= 0,
+	.l2c_aux_mask	= ~0,
 	.smp		= smp_ops(rockchip_smp_ops),
-	.init_machine	= rockchip_dt_init,
 	.dt_compat	= rockchip_board_dt_compat,
 MACHINE_END