USB: serial: cp210x: drop unnecessary packed attributes

Drop unnecessary packed attributes from structs without padding.

Link: https://lore.kernel.org/r/20200713105517.27796-5-johan@kernel.org
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>

drivers/usb/serial/cp210x.c

@@ -435,7 +435,7 @@ struct cp210x_flow_ctl {
 	__le32	ulFlowReplace;
 	__le32	ulXonLimit;
 	__le32	ulXoffLimit;
-} __packed;
+};
 
 /* cp210x_flow_ctl::ulControlHandshake */
 #define CP210X_SERIAL_DTR_MASK		GENMASK(1, 0)
@@ -469,7 +469,7 @@ struct cp210x_flow_ctl {
 struct cp210x_pin_mode {
 	u8	eci;
 	u8	sci;
-} __packed;
+};
 
 #define CP210X_PIN_MODE_MODEM		0
 #define CP210X_PIN_MODE_GPIO		BIT(0)
@@ -532,7 +532,7 @@ struct cp210x_single_port_config {
 struct cp210x_gpio_write {
 	u8	mask;
 	u8	state;
-} __packed;
+};
 
 /*
  * Helper to get interface number when we only have struct usb_serial.