rename board to lower case ch32v307v-r1-1v0

Author: hathach

hw/bsp/ch32v307/boards/CH32V307V-R1-1v0/board.mk renamed to hw/bsp/ch32v307/boards/ch32v307v-r1-1v0/board.mk

@@ -66,4 +66,4 @@ FREERTOS_PORT = RISC-V
 
 # flash target ROM bootloader
 flash: $(BUILD)/$(PROJECT).elf
-	openocd -f $(TOP)/$(FAMILY_PATH)/wch-riscv.cfg -c init -c halt -c "program $<" -c reset -c exit
+	openocd -f $(TOP)/$(FAMILY_PATH)/wch-riscv.cfg -c init -c halt -c "program $<" -c wlink_reset_resume -c exit