l0 use offical st driver repo

.gitmodules

@@ -73,3 +73,9 @@
 [submodule "hw/mcu/st/stm32h7xx_hal_driver"]
 	path = hw/mcu/st/stm32h7xx_hal_driver
 	url = https://github.com/STMicroelectronics/stm32h7xx_hal_driver.git
+[submodule "hw/mcu/st/cmsis_device_l0"]
+	path = hw/mcu/st/cmsis_device_l0
+	url = https://github.com/STMicroelectronics/cmsis_device_l0.git
+[submodule "hw/mcu/st/stm32l0xx_hal_driver"]
+	path = hw/mcu/st/stm32l0xx_hal_driver
+	url = https://github.com/STMicroelectronics/stm32l0xx_hal_driver.git

hw/bsp/stm32l0538disco/board.mk

@@ -12,19 +12,20 @@ CFLAGS += \
 # mcu driver cause following warnings
 CFLAGS += -Wno-error=unused-parameter -Wno-error=maybe-uninitialized
 
-ST_HAL_DRIVER = hw/mcu/st/st_driver/STM32L0xx_HAL_Driver
-ST_CMSIS = hw/mcu/st/st_driver/CMSIS/Device/ST/STM32L0xx
+ST_FAMILY = l0
+ST_CMSIS = hw/mcu/st/cmsis_device_$(ST_FAMILY)
+ST_HAL_DRIVER = hw/mcu/st/stm32$(ST_FAMILY)xx_hal_driver
 
 # All source paths should be relative to the top level.
 LD_FILE = hw/bsp/$(BOARD)/STM32L053C8Tx_FLASH.ld
 
 SRC_C += \
-  $(ST_CMSIS)/Source/Templates/system_stm32l0xx.c \
-  $(ST_HAL_DRIVER)/Src/stm32l0xx_hal.c \
-  $(ST_HAL_DRIVER)/Src/stm32l0xx_hal_cortex.c \
-  $(ST_HAL_DRIVER)/Src/stm32l0xx_hal_rcc.c \
-  $(ST_HAL_DRIVER)/Src/stm32l0xx_hal_rcc_ex.c \
-  $(ST_HAL_DRIVER)/Src/stm32l0xx_hal_gpio.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 \
+  $(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_rcc.c \
+  $(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_rcc_ex.c \
+  $(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_gpio.c
 
 SRC_S += \
   $(ST_CMSIS)/Source/Templates/gcc/startup_stm32l053xx.s

hw/bsp/stm32l0538disco/stm32l0538disco.c

@@ -127,7 +127,7 @@ void board_init(void)
   GPIO_InitStruct.Pin = LED_PIN;
   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
   GPIO_InitStruct.Pull = GPIO_PULLUP;
-  GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
+  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
   HAL_GPIO_Init(LED_PORT, &GPIO_InitStruct);
 
   board_led_write(false);
@@ -137,7 +137,7 @@ void board_init(void)
   GPIO_InitStruct.Pin = BUTTON_PIN;
   GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
   GPIO_InitStruct.Pull = GPIO_PULLDOWN;
-  GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
+  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
   HAL_GPIO_Init(BUTTON_PORT, &GPIO_InitStruct);
 
   // USB

hw/mcu/st/cmsis_device_l0

@@ -0,0 +1 @@
+Subproject commit 06748ca1f93827befdb8b794402320d94d02004f

hw/mcu/st/stm32l0xx_hal_driver

@@ -0,0 +1 @@
+Subproject commit fbdacaf6f8c82a4e1eb9bd74ba650b491e97e17b