drm/i915/mtl: Define mask for DDI AUX interrupts

Xe_LPD+ defines interrupt bits for only DDI ports in the DE Port
Interrupt registers. The bits for Type-C ports are defined in the PICA
interrupt registers.

BSpec: 50064
Reviewed-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Signed-off-by: Gustavo Sousa <gustavo.sousa@intel.com>
Signed-off-by: Mika Kahola <mika.kahola@intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230428095433.4109054-10-mika.kahola@intel.com

drivers/gpu/drm/i915/i915_irq.c

@@ -1938,7 +1938,10 @@ static u32 gen8_de_port_aux_mask(struct drm_i915_private *dev_priv)
 {
 	u32 mask;
 
-	if (DISPLAY_VER(dev_priv) >= 13)
+	if (DISPLAY_VER(dev_priv) >= 14)
+		return TGL_DE_PORT_AUX_DDIA |
+			TGL_DE_PORT_AUX_DDIB;
+	else if (DISPLAY_VER(dev_priv) >= 13)
 		return TGL_DE_PORT_AUX_DDIA |
 			TGL_DE_PORT_AUX_DDIB |
 			TGL_DE_PORT_AUX_DDIC |