b43: LP-PHY: Fix a bug in the B2062 channel tune path

I missed the "+16" part of the instruction in the specs.

Signed-off-by: Gábor Stefanik <netrolller.3d@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/b43/phy_lp.c

@@ -1950,7 +1950,7 @@ static int lpphy_b2062_tune(struct b43_wldev *dev,
 	b43_radio_write(dev, B2062_S_RFPLL_CTL29, tmp6 + ((2 * tmp7) / tmp4));
 	tmp8 = b43_phy_read(dev, B2062_S_RFPLL_CTL19);
 	tmp9 = ((2 * tmp3 * (tmp8 + 1)) + (3 * tmp1)) / (6 * tmp1);
-	b43_radio_write(dev, B2062_S_RFPLL_CTL23, tmp9 >> 8);
+	b43_radio_write(dev, B2062_S_RFPLL_CTL23, (tmp9 >> 8) + 16);
 	b43_radio_write(dev, B2062_S_RFPLL_CTL24, tmp9 & 0xFF);
 
 	lpphy_b2062_vco_calib(dev);