[media] r820t: Fix hp_cor filter mask

The bit mask was inverted here.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Tested-by: Antti Palosaari <crope@iki.fi>
diff --git a/drivers/media/tuners/r820t.c b/drivers/media/tuners/r820t.c
index f5a5fb0..c644e90 100644
--- a/drivers/media/tuners/r820t.c
+++ b/drivers/media/tuners/r820t.c
@@ -1102,7 +1102,7 @@
 		return rc;
 
 	/* Set BW, Filter_gain, & HP corner */
-	rc = r820t_write_reg_mask(priv, 0x0b, hp_cor, 0x10);
+	rc = r820t_write_reg_mask(priv, 0x0b, hp_cor, 0xef);
 	if (rc < 0)
 		return rc;