added MIMX RT1052 Evaluation Kit

hw/bsp/mimxrt1050_evkb/board.mk

@@ -0,0 +1,55 @@
+CFLAGS += \
+  -mthumb \
+  -mabi=aapcs \
+  -mcpu=cortex-m7 \
+  -mfloat-abi=hard \
+  -mfpu=fpv5-d16 \
+  -D__ARMVFP__=0 -D__ARMFPV5__=0\
+  -DCPU_MIMXRT1052DVL6B \
+  -DXIP_EXTERNAL_FLASH=1 \
+  -DXIP_BOOT_HEADER_ENABLE=1 \
+  -DCFG_TUSB_MCU=OPT_MCU_MIMXRT10XX \
+  -DCFG_TUSB_MEM_SECTION='__attribute__((section(".data")))' \
+  -DCFG_TUSB_MEM_ALIGN='__attribute__((aligned(64)))'
+
+# mcu driver cause following warnings
+#CFLAGS += -Wno-error=float-equal -Wno-error=nested-externs
+CFLAGS += -Wno-error=unused-parameter
+
+MCU_DIR = hw/mcu/nxp/sdk/devices/MIMXRT1052
+
+# All source paths should be relative to the top level.
+LD_FILE = $(MCU_DIR)/gcc/MIMXRT1052xxxxx_flexspi_nor.ld
+
+SRC_C += \
+	$(MCU_DIR)/system_MIMXRT1052.c \
+	$(MCU_DIR)/xip/fsl_flexspi_nor_boot.c \
+	$(MCU_DIR)/project_template/clock_config.c \
+	$(MCU_DIR)/drivers/fsl_clock.c \
+	$(MCU_DIR)/drivers/fsl_gpio.c \
+	$(MCU_DIR)/drivers/fsl_common.c \
+	$(MCU_DIR)/drivers/fsl_lpuart.c
+
+INC += \
+	$(TOP)/hw/bsp/$(BOARD) \
+	$(TOP)/$(MCU_DIR)/../../CMSIS/Include \
+	$(TOP)/$(MCU_DIR) \
+	$(TOP)/$(MCU_DIR)/drivers \
+	$(TOP)/$(MCU_DIR)/project_template \
+
+SRC_S += $(MCU_DIR)/gcc/startup_MIMXRT1052.S
+
+# For TinyUSB port source
+VENDOR = nxp
+CHIP_FAMILY = transdimension
+
+# For freeRTOS port source
+FREERTOS_PORT = ARM_CM7
+
+# For flash-jlink target
+JLINK_DEVICE = MIMXRT1052xxx6B
+JLINK_IF = swd
+
+# flash by copying bin file to DAP Mass Storage
+flash: $(BUILD)/$(BOARD)-firmware.bin
+	cp $< /media/$(USER)/RT1050-EVK/