staging: ks7010: avoid no needed cast in ks_wlan_cap

In ks_wlan_cap there is a cast to uint16_t to use cpu_to_le16
with variable 'capability' which is already defined as u16.
Avoid this cast to clean code.
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/ks7010/ks_hostif.c

@@ -1275,7 +1275,7 @@ static __le16 ks_wlan_cap(struct ks_wlan_private *priv)
 		capability &= ~(WLAN_CAPABILITY_DSSS_OFDM);
 	}
 
-	return cpu_to_le16((uint16_t)capability);
+	return cpu_to_le16(capability);
 }
 
 static void init_request(struct ks_wlan_private *priv,