[POWERPC] fsl_soc: fix uninitialized i2c_board_info structure

i2c_board_info used semi-initialized, causing garbage in the
info->flags, and that, in turn, causes various symptoms of i2c
malfunctioning, like PEC mismatches.
Signed-off-by: NAnton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: NKumar Gala <galak@kernel.crashing.org>

arch/powerpc/sysdev/fsl_soc.c

@@ -363,7 +363,7 @@ static void __init of_register_i2c_devices(struct device_node *adap_node,
 	struct device_node *node = NULL;
 
 	while ((node = of_get_next_child(adap_node, node))) {
-		struct i2c_board_info info;
+		struct i2c_board_info info = {};
 		const u32 *addr;
 		int len;
 
@@ -380,7 +380,6 @@ static void __init of_register_i2c_devices(struct device_node *adap_node,
 		if (of_find_i2c_driver(node, &info) < 0)
 			continue;
 
-		info.platform_data = NULL;
 		info.addr = *addr;
 
 		i2c_register_board_info(bus_num, &info, 1);