Fix DCD build.

hw/bsp/stm32l4/family.mk

@@ -22,6 +22,7 @@ CFLAGS += -Wno-error=maybe-uninitialized -Wno-error=cast-align
 #src/portable/st/synopsys/dcd_synopsys.c
 SRC_C += \
 	src/portable/synopsys/dwc2/dcd_dwc2.c \
+    src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c \
 	$(ST_CMSIS)/Source/Templates/system_stm32$(ST_FAMILY)xx.c \
 	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal.c \
 	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_cortex.c \

src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c

@@ -109,10 +109,17 @@
 #define STM32F1_FSDEV
 #endif
 
+#if defined(STM32L412xx) || defined(STM32L422xx) || \
+    defined(STM32L432xx) || defined(STM32L433xx) || \
+    defined(STM32L442xx) || defined(STM32L443xx) || \
+    defined(STM32L452xx) || defined(STM32L462xx)
+#define STM32L4_FSDEV
+#endif
+
 #if CFG_TUD_ENABLED && \
       ( TU_CHECK_MCU(OPT_MCU_STM32F0, OPT_MCU_STM32F3, OPT_MCU_STM32L0, OPT_MCU_STM32L1, OPT_MCU_STM32G4, OPT_MCU_STM32WB) || \
         (TU_CHECK_MCU(OPT_MCU_STM32F1) && defined(STM32F1_FSDEV)) || \
-        (TU_CHECK_MCU(OPT_MCU_STM32L4) && !defined(DCD_ATTR_DWC2_STM32)) \
+        (TU_CHECK_MCU(OPT_MCU_STM32L4) && defined(STM32L4_FSDEV)) \
       )
 
 // In order to reduce the dependance on HAL, we undefine this.