drm/i915: Rename BXT PORTA HPD defines

The PORTA HPD defines are not BXT specific. They also exist on SPT,
and partially already on LPT:LP.
Reviewed-by: NPaulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: NVille Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/i915_irq.c

@@ -1250,7 +1250,7 @@ static bool bxt_port_hotplug_long_detect(enum port port, u32 val)
 {
 	switch (port) {
 	case PORT_A:
-		return val & BXT_PORTA_HOTPLUG_LONG_DETECT;
+		return val & PORTA_HOTPLUG_LONG_DETECT;
 	case PORT_B:
 		return val & PORTB_HOTPLUG_LONG_DETECT;
 	case PORT_C:

drivers/gpu/drm/i915/i915_reg.h

@@ -6033,11 +6033,11 @@ enum skl_disp_power_wells {
 
 /* digital port hotplug */
 #define PCH_PORT_HOTPLUG		0xc4030	/* SHOTPLUG_CTL */
-#define  BXT_PORTA_HOTPLUG_ENABLE	(1 << 28)
-#define  BXT_PORTA_HOTPLUG_STATUS_MASK	(3 << 24)
-#define  BXT_PORTA_HOTPLUG_NO_DETECT	(0 << 24)
-#define  BXT_PORTA_HOTPLUG_SHORT_DETECT	(1 << 24)
-#define  BXT_PORTA_HOTPLUG_LONG_DETECT	(2 << 24)
+#define  PORTA_HOTPLUG_ENABLE		(1 << 28) /* LPT:LP+ & BXT */
+#define  PORTA_HOTPLUG_STATUS_MASK	(3 << 24) /* SPT+ & BXT */
+#define  PORTA_HOTPLUG_NO_DETECT	(0 << 24) /* SPT+ & BXT */
+#define  PORTA_HOTPLUG_SHORT_DETECT	(1 << 24) /* SPT+ & BXT */
+#define  PORTA_HOTPLUG_LONG_DETECT	(2 << 24) /* SPT+ & BXT */
 #define  PORTD_HOTPLUG_ENABLE		(1 << 20)
 #define  PORTD_PULSE_DURATION_2ms	(0 << 18) /* pre-LPT */
 #define  PORTD_PULSE_DURATION_4_5ms	(1 << 18) /* pre-LPT */