gma: Get rid of Get_Pipe_Hint()

Now that we call it `Pipe_Index` passing that around makes more sense.

Change-Id: I59460274860dc5d135662aa978acc1603b510eb6
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/17932
Tested-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
diff --git a/common/ironlake/hw-gfx-gma-connectors.adb b/common/ironlake/hw-gfx-gma-connectors.adb
index e94ae2e..7d00fa6 100644
--- a/common/ironlake/hw-gfx-gma-connectors.adb
+++ b/common/ironlake/hw-gfx-gma-connectors.adb
@@ -40,16 +40,16 @@
    ----------------------------------------------------------------------------
 
    procedure Pre_On
-     (Port_Cfg    : in     Port_Config;
+     (Pipe        : in     Pipe_Index;
+      Port_Cfg    : in     Port_Config;
       PLL_Hint    : in     Word32;
-      Pipe_Hint   : in     Word32;
       Success     :    out Boolean)
    is
    begin
       pragma Debug (Debug.Put_Line (GNAT.Source_Info.Enclosing_Entity));
 
       if Port_Cfg.Port = DIGI_A then
-         EDP.Pre_On (Port_Cfg, Pipe_Hint);
+         EDP.Pre_On (Pipe, Port_Cfg);
       elsif Port_Cfg.Port in FDI.GPU_FDI_Port then
          FDI.Pre_On (Port_Cfg);
       end if;