explicitly add dcd source file without vendor/family

hw/bsp/imxrt/family.mk

@@ -27,6 +27,7 @@ LDFLAGS += \
 	-Wl,--defsym,__stack_size__=0x800 \
 
 SRC_C += \
+	src/portable/nxp/transdimension/dcd_transdimension.c \
 	$(MCU_DIR)/system_$(MCU_VARIANT).c \
 	$(MCU_DIR)/xip/fsl_flexspi_nor_boot.c \
 	$(MCU_DIR)/project_template/clock_config.c \
@@ -44,10 +45,6 @@ INC += \
 
 SRC_S += $(MCU_DIR)/gcc/startup_$(MCU_VARIANT).S
 
-# For TinyUSB port source
-VENDOR = nxp
-CHIP_FAMILY = transdimension
-
 # For freeRTOS port source
 FREERTOS_PORT = ARM_CM7/r0p1