OMAPDSS: HDMI: remove unused defines

Remove some unused defines from the HDMI driver.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

diff --cc drivers/video/fbdev/omap2/dss/hdmi4_core.c
Simple merge

diff --cc drivers/video/fbdev/omap2/dss/hdmi_phy.c
Simple merge

diff --cc drivers/video/fbdev/omap2/dss/hdmi_pll.c
Simple merge

diff --cc drivers/video/fbdev/omap2/dss/hdmi_wp.c
Simple merge