clk: sunxi-ng: sun6i: Fix enable bit offset for hdmi-ddc module clock

clk: sunxi-ng: sun6i: Fix enable bit offset for hdmi-ddc module clock

BugLink: http://bugs.launchpad.net/bugs/1677589
commit 9ad0bb39fce319d7b92c17d306ed0a9f70a02e7d upstream.

The enable bit offset for the hdmi-ddc module clock is wrong. It is
pointing to the main hdmi module clock enable bit.

Reported-by: Bob Ham <rah@settrans.net>
Fixes: c6e6c96d8fa6 ("clk: sunxi-ng: Add A31/A31s clocks")
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>