[media] rtl28xxu: fix rtl2832u module reload fails bug

This is workaround / partial fix.

rtl2832u_power_ctrl() and rtl2832u_frontend_attach() needs to
be go through carefully and fix properly. There is clearly
some logical errors when handling power-management ang GPIOs...
Signed-off-by: NAntti Palosaari <crope@iki.fi>
Cc: Thomas Mair <thomas.mair86@googlemail.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/usb/dvb-usb-v2/rtl28xxu.c

@@ -942,17 +942,6 @@ static int rtl2832u_power_ctrl(struct dvb_usb_device *d, int onoff)
 		/* bit 7 to 1 */
 		val |= 0x80;
 
-		ret = rtl28xx_wr_reg(d, SYS_DEMOD_CTL, val);
-		if (ret)
-			goto err;
-
-		/* demod HW reset */
-		ret = rtl28xx_rd_reg(d, SYS_DEMOD_CTL, &val);
-		if (ret)
-			goto err;
-		/* bit 5 to 0 */
-		val &= 0xdf;
-
 		ret = rtl28xx_wr_reg(d, SYS_DEMOD_CTL, val);
 		if (ret)
 			goto err;