Remove trailing blanks.

Bump copyright year to 2026 on F429/F469/F769 stm32-board.ads

Companion to the SDRAM timing edits in this PR; F746 was already at 2026.

Author: pat-rogers

boards/stm32_common/stm32f429disco/stm32-board.ads

@@ -1,6 +1,6 @@
 ------------------------------------------------------------------------------
 --                                                                          --
---                  Copyright (C) 2015-2016, AdaCore                        --
+--                  Copyright (C) 2015-2026, AdaCore                        --
 --                                                                          --
 --  Redistribution and use in source and binary forms, with or without      --
 --  modification, are permitted provided that the following conditions are  --
@@ -135,8 +135,8 @@ package STM32.Board is
 
    --  SDRAM AC timings (ns) for the on-board ISSI IS42S16400J
    --  Values from the ST BSP in stm32f429i_discovery_sdram.c at SDCLK = 90 MHz:
-   SDRAM_TRAS_In_Ns      : constant := 42;  --  TRAS  
-   SDRAM_TRC_In_Ns       : constant := 70;  --  TRC   
+   SDRAM_TRAS_In_Ns      : constant := 42;  --  TRAS
+   SDRAM_TRC_In_Ns       : constant := 70;  --  TRC
    SDRAM_TXSR_In_Ns      : constant := 70;  --  TXSR
 
    ---------------

boards/stm32_common/stm32f469disco/stm32-board.ads

@@ -1,6 +1,6 @@
 ------------------------------------------------------------------------------
 --                                                                          --
---                     Copyright (C) 2015-2018, AdaCore                     --
+--                     Copyright (C) 2015-2026, AdaCore                     --
 --                                                                          --
 --  Redistribution and use in source and binary forms, with or without      --
 --  modification, are permitted provided that the following conditions are  --

boards/stm32_common/stm32f769disco/stm32-board.ads

@@ -1,6 +1,6 @@
 ------------------------------------------------------------------------------
 --                                                                          --
---                 Copyright (C) 2015-2018, AdaCore                         --
+--                 Copyright (C) 2015-2026, AdaCore                         --
 --                                                                          --
 --  Redistribution and use in source and binary forms, with or without      --
 --  modification, are permitted provided that the following conditions are  --