gma: Rename ports Digital[123] => HDMI[123]

Before we had DP support, Digital just meant HDMI or DVI, but now it's
pretty confusing. Rename them to HDMI as it supersedes DVI.

Change-Id: Ie8b4c60ac60040aa5c725ffc9cd06aa164391756
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/17750
Reviewed-by: Reto Buerki <reet@codelabs.ch>
diff --git a/common/skylake/hw-gfx-gma-power_and_clocks_skylake.adb b/common/skylake/hw-gfx-gma-power_and_clocks_skylake.adb
index 8503435..5c9231e 100644
--- a/common/skylake/hw-gfx-gma-power_and_clocks_skylake.adb
+++ b/common/skylake/hw-gfx-gma-power_and_clocks_skylake.adb
@@ -194,23 +194,23 @@
          when DDI_AE    => Configs (Primary).Port = Internal or
                            Configs (Secondary).Port = Internal or
                            Configs (Tertiary).Port = Internal,
-         when DDI_B     => Configs (Primary).Port = Digital1 or
+         when DDI_B     => Configs (Primary).Port = HDMI1 or
                            Configs (Primary).Port = DP1 or
-                           Configs (Secondary).Port = Digital1 or
+                           Configs (Secondary).Port = HDMI1 or
                            Configs (Secondary).Port = DP1 or
-                           Configs (Tertiary).Port = Digital1 or
+                           Configs (Tertiary).Port = HDMI1 or
                            Configs (Tertiary).Port = DP1,
-         when DDI_C     => Configs (Primary).Port = Digital2 or
+         when DDI_C     => Configs (Primary).Port = HDMI2 or
                            Configs (Primary).Port = DP2 or
-                           Configs (Secondary).Port = Digital2 or
+                           Configs (Secondary).Port = HDMI2 or
                            Configs (Secondary).Port = DP2 or
-                           Configs (Tertiary).Port = Digital2 or
+                           Configs (Tertiary).Port = HDMI2 or
                            Configs (Tertiary).Port = DP2,
-         when DDI_D     => Configs (Primary).Port = Digital3 or
+         when DDI_D     => Configs (Primary).Port = HDMI3 or
                            Configs (Primary).Port = DP3 or
-                           Configs (Secondary).Port = Digital3 or
+                           Configs (Secondary).Port = HDMI3 or
                            Configs (Secondary).Port = DP3 or
-                           Configs (Tertiary).Port = Digital3 or
+                           Configs (Tertiary).Port = HDMI3 or
                            Configs (Tertiary).Port = DP3,
          when PW2       => (Configs (Primary).Port /= Disabled and
                             Configs (Primary).Port /= Internal) or