hw/bsp/b-l072z-lrwan1: Update to use common startup

Local linker scripts and .cmd files removed.
BSP uses autogenerated linker script and cortex-m0
startup.

Signed-off-by: Jerzy Kasenberg <jerzy.kasenberg@codecoup.pl>

hw/bsp/b-l072z-lrwan1/bsp.yml

@@ -22,16 +22,9 @@ bsp.url: https://www.st.com/en/evaluation-tools/b-l072z-lrwan1.html
 bsp.maker: "STMicroelectronics"
 bsp.arch: cortex_m0
 bsp.compiler: compiler/arm-none-eabi-m0
-bsp.linkerscript:
-    - "hw/bsp/b-l072z-lrwan1/b-l072z-lrwan1.ld"
-    - "hw/mcu/stm/stm32l0xx/stm32l072.ld"
-bsp.linkerscript.BOOT_LOADER.OVERWRITE:
-    - "hw/bsp/b-l072z-lrwan1/boot-b-l072z-lrwan1.ld"
-    - "hw/mcu/stm/stm32l0xx/stm32l072.ld"
+bsp.linkerscript: autogenerated
 bsp.downloadscript: "hw/bsp/b-l072z-lrwan1/b-l072z-lrwan1_download.sh"
 bsp.debugscript: "hw/bsp/b-l072z-lrwan1/b-l072z-lrwan1_debug.sh"
-bsp.downloadscript.WINDOWS.OVERWRITE: "hw/bsp/b-l072z-lrwan1/b-l072z-lrwan1_download.cmd"
-bsp.debugscript.WINDOWS.OVERWRITE: "hw/bsp/b-l072z-lrwan1/b-l072z-lrwan1_debug.cmd"
 
 bsp.flash_map:
     areas:

hw/bsp/b-l072z-lrwan1/include/bsp/stm32l0xx_hal_conf.h

@@ -158,8 +158,8 @@
 #define  TICK_INT_PRIORITY            (((uint32_t)1U<<__NVIC_PRIO_BITS) - 1U)    /*!< tick interrupt priority */
 #define  USE_RTOS                     0U
 #define  PREFETCH_ENABLE              MYNEWT_VAL(STM32_FLASH_PREFETCH_ENABLE)
-#define  INSTRUCTION_CACHE_ENABLE     MYNEWT_VAL(STM32_INSTRUCTION_CACHE_ENABLE)
-#define  DATA_CACHE_ENABLE            MYNEWT_VAL(STM32_DATA_CACHE_ENABLE)
+#define  PREREAD_ENABLE               MYNEWT_VAL(STM32_FLASH_PREREAD_ENABLE)
+#define  BUFFER_CACHE_DISABLE         (MYNEWT_VAL(STM32_FLASH_CACHE_ENABLE) == 0)
 
 /* ########################## Assert Selection ############################## */
 /**