drm/i915: Remove duplicate set of ADPA definitions

#define LVDS			0x61180

#define LVDS_ON			(1<<31)

#define ADPA			0x61100

#define ADPA_DPMS_MASK		(~(3<<10))

#define ADPA_DPMS_ON		(0<<10)

#define ADPA_DPMS_SUSPEND	(1<<10)

#define ADPA_DPMS_STANDBY	(2<<10)

#define ADPA_DPMS_OFF		(3<<10)

/* Scratch pad debug 0 reg:

 */

#define   DPLL_FPA01_P1_POST_DIV_MASK_I830	0x001f0000

#define   ADPA_DPMS_STANDBY	(2<<10)

#define   ADPA_DPMS_OFF		(3<<10)

/* Hotplug control (945+ only) */

#define PORT_HOTPLUG_EN		0x61110

#define   HDMIB_HOTPLUG_INT_EN			(1 << 29)