Staging: olpc_dcon: Use preferred kernel type

This patch "uint16_t" type instead of "u16" type was used.
checkpatch.pl issue.

Signed-off-by: Aybuke Ozdemir <aybuke.147@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/olpc_dcon/olpc_dcon.c

@@ -60,7 +60,7 @@ static s32 dcon_read(struct dcon_priv *dcon, u8 reg)
 
 static int dcon_hw_init(struct dcon_priv *dcon, int is_init)
 {
-	uint16_t ver;
+	u16 ver;
 	int rc = 0;
 
 	ver = dcon_read(dcon, DCON_REG_ID);