explicitly add dcd source file without vendor/family

hw/bsp/lpc55/family.mk

@@ -34,6 +34,7 @@ MCU_DIR = hw/mcu/nxp/sdk/devices/$(MCU_VARIANT)
 LD_FILE ?= $(MCU_DIR)/gcc/$(MCU_CORE)_flash.ld
 
 SRC_C += \
+	src/portable/nxp/lpc_ip3511/dcd_lpc_ip3511.c \
 	$(MCU_DIR)/system_$(MCU_CORE).c \
 	$(MCU_DIR)/drivers/fsl_clock.c \
 	$(MCU_DIR)/drivers/fsl_gpio.c \
@@ -54,9 +55,5 @@ SRC_S += $(MCU_DIR)/gcc/startup_$(MCU_CORE).S
 
 LIBS += $(TOP)/$(MCU_DIR)/gcc/libpower_hardabi.a
 
-# For TinyUSB port source
-VENDOR = nxp
-CHIP_FAMILY = lpc_ip3511
-
 # For freeRTOS port source
 FREERTOS_PORT = ARM_CM33_NTZ/non_secure