iio: frequency: adf4350: fix an initialization

Sparse complains about this:
drivers/iio/frequency/adf4350.c:58:29: warning: Initializer entry defined twice
drivers/iio/frequency/adf4350.c:59:10:   also defined here

It looks like '|' was intended here instead of ','.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/iio/frequency/adf4350.c

@@ -54,7 +54,7 @@ struct adf4350_state {
 static struct adf4350_platform_data default_pdata = {
 	.clkin = 122880000,
 	.channel_spacing = 10000,
-	.r2_user_settings = ADF4350_REG2_PD_POLARITY_POS,
+	.r2_user_settings = ADF4350_REG2_PD_POLARITY_POS |
 			    ADF4350_REG2_CHARGE_PUMP_CURR_uA(2500),
 	.r3_user_settings = ADF4350_REG3_12BIT_CLKDIV_MODE(0),
 	.r4_user_settings = ADF4350_REG4_OUTPUT_PWR(3) |