[PATCH] soundwire: slave: fix scanf format

[Pierre-Louis Bossart]

fix cppcheck warning:

[drivers/soundwire/slave.c:145]: (warning) %x in format string (no. 1)
requires 'unsigned int *' but the argument type is 'signed int *'.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.boss...@linux.intel.com>
---
 drivers/soundwire/slave.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/soundwire/slave.c b/drivers/soundwire/slave.c
index 48a63ca130d2..6473fa602f82 100644
--- a/drivers/soundwire/slave.c
+++ b/drivers/soundwire/slave.c
@@ -128,7 +128,8 @@ int sdw_of_find_slaves(struct sdw_bus *bus)
        struct device_node *node;
 
        for_each_child_of_node(bus->dev->of_node, node) {
-               int link_id, sdw_version, ret, len;
+               int link_id, ret, len;
+               unsigned int sdw_version;
                const char *compat = NULL;
                struct sdw_slave_id id;
                const __be32 *addr;
-- 
2.20.1