ASoC: omap-hdmi-audio: Rename callbacks

Signed-off-by: Jyri Sarha <jsarha@ti.com>
OMAPDSS: hdmi4: Rename callbacks

Signed-off-by: Jyri Sarha <jsarha@ti.com>
OMAPDSS: hdmi5: Rename callbacks

Signed-off-by: Jyri Sarha <jsarha@ti.com>
ASoC: omap-hdmi-audio: Use devm_kasprintf

Signed-off-by: Jyri Sarha <jsarha@ti.com>
ASoC: omap-hdmi-audio: Use omapdss_version instread of my own hw_version

Signed-off-by: Jyri Sarha <jsarha@ti.com>
OMAPDSS: hdmi5: Use omapdss_version instread of my own hw_version

Signed-off-by: Jyri Sarha <jsarha@ti.com>
OMAPDSS: hdmi4: Use omapdss_version instread of my own hw_version

Signed-off-by: Jyri Sarha <jsarha@ti.com>
OMAPDSS: hdmi5: No "if (hd->display_enabled)" in start and stop callbacks

Signed-off-by: Jyri Sarha <jsarha@ti.com>
OMAPDSS: hdmi4: No "if (hd->display_enabled)" in start and stop callbacks

Signed-off-by: Jyri Sarha <jsarha@ti.com>