fix DMA files

Author: Jan Kamidra

targets/TARGET_STM/TARGET_STM32U0/stm_dma_info.h

@@ -1,5 +1,5 @@
 /* mbed Microcontroller Library
- * Copyright (c) 2016-2024 STMicroelectronics
+ * Copyright (c) 2016-2025 STMicroelectronics
  * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -21,7 +21,7 @@
 #include "cmsis.h"
 #include "stm_dma_utils.h"
 
-// STM32h5 devices.
+// STM32U0 devices.
 // On this device, the DMA channels may be chosen arbitrarily.
 
 /// Mapping from SPI index to DMA link info for Tx

targets/TARGET_STM/stm_dma_utils.c

@@ -319,17 +319,17 @@ IRQn_Type stm_get_dma_irqn(const DMALinkInfo *dmaLink)
                 case 6:
                 case 7:
                     return DMA1_Channel4_5_6_7_IRQn;
-                    // STM32L0 has shared ISRs for Ch2-Ch3 and Ch4-Ch7
+// STM32U0 has shared ISRs for Ch2-Ch3 and Ch4-Ch7
 #elif defined(TARGET_MCU_STM32U0)
-case 2:
-case 3:
-    return DMA1_Channel2_3_IRQn;
-
-case 4:
-case 5:
-case 6:
-case 7:
-    return DMA1_Ch4_7_DMA2_Ch1_5_DMAMUX_OVR_IRQn;
+                case 2:
+                case 3:
+                    return DMA1_Channel2_3_IRQn;
+
+                case 4:
+                case 5:
+                case 6:
+                case 7:
+                    return DMA1_Ch4_7_DMA2_Ch1_5_DMAMUX_OVR_IRQn;
 #else
 #ifdef DMA1_Channel2
                 case 2: