clean up

hw/bsp/metro_m0_express/board.mk

@@ -1,13 +1,11 @@
 CFLAGS += \
-	-DCFG_TUSB_MCU=OPT_MCU_SAMD21 \
-	-DCONF_DFLL_OVERWRITE_CALIBRATION=0 \
-	-D__SAMD21G18A__ \
-	-mthumb \
-	-mabi=aapcs-linux \
-	-mcpu=cortex-m0plus \
-	-msoft-float \
-	-mfloat-abi=soft \
-	-nostdlib -nostartfiles
+  -DCONF_DFLL_OVERWRITE_CALIBRATION=0 \
+  -D__SAMD21G18A__ \
+  -mthumb \
+  -mabi=aapcs-linux \
+  -mcpu=cortex-m0plus \
+  -nostdlib -nostartfiles \
+  -DCFG_TUSB_MCU=OPT_MCU_SAMD21
 
 # All source paths should be relative to the top level.
 LD_FILE = hw/bsp/metro_m0_express/samd21g18a_flash.ld

hw/bsp/metro_m4_express/board.mk

@@ -1,12 +1,12 @@
 CFLAGS += \
-	-DCFG_TUSB_MCU=OPT_MCU_SAMD51 \
-	-D__SAMD51J19A__ \
-	-mthumb \
-	-mabi=aapcs-linux \
-	-mcpu=cortex-m4 \
-	-mfloat-abi=hard \
-	-mfpu=fpv4-sp-d16 \
-	-nostdlib -nostartfiles
+  -D__SAMD51J19A__ \
+  -mthumb \
+  -mabi=aapcs-linux \
+  -mcpu=cortex-m4 \
+  -mfloat-abi=hard \
+  -mfpu=fpv4-sp-d16 \
+  -nostdlib -nostartfiles \
+  -DCFG_TUSB_MCU=OPT_MCU_SAMD51
 
 CFLAGS += -Wno-error=undef
 

hw/bsp/pca10056/board.mk

@@ -1,12 +1,12 @@
 CFLAGS += \
-	-mthumb \
-	-mabi=aapcs \
-	-mcpu=cortex-m4 \
-	-mfloat-abi=hard \
-	-mfpu=fpv4-sp-d16 \
-	-DCFG_TUSB_MCU=OPT_MCU_NRF5X \
-	-DNRF52840_XXAA \
-  -DCONFIG_GPIO_AS_PINRESET
+  -mthumb \
+  -mabi=aapcs \
+  -mcpu=cortex-m4 \
+  -mfloat-abi=hard \
+  -mfpu=fpv4-sp-d16 \
+  -DNRF52840_XXAA \
+  -DCONFIG_GPIO_AS_PINRESET \
+  -DCFG_TUSB_MCU=OPT_MCU_NRF5X
 
 # nrfx issue undef _ARMCC_VERSION usage https://github.com/NordicSemiconductor/nrfx/issues/49
 CFLAGS += -Wno-error=undef 

hw/bsp/stm32f407g_disc1/board.mk

@@ -1,13 +1,13 @@
 CFLAGS += \
-	-DHSE_VALUE=8000000 \
-	-DCFG_TUSB_MCU=OPT_MCU_STM32F4 \
-	-DSTM32F407xx \
-	-mthumb \
-	-mabi=aapcs-linux \
-	-mcpu=cortex-m4 \
-	-mfloat-abi=hard \
-	-mfpu=fpv4-sp-d16 \
-	-nostdlib -nostartfiles
+  -DHSE_VALUE=8000000 \
+  -DSTM32F407xx \
+  -mthumb \
+  -mabi=aapcs-linux \
+  -mcpu=cortex-m4 \
+  -mfloat-abi=hard \
+  -mfpu=fpv4-sp-d16 \
+  -nostdlib -nostartfiles \
+  -DCFG_TUSB_MCU=OPT_MCU_STM32F4
 
 # All source paths should be relative to the top level.
 LD_FILE = hw/bsp/stm32f407g_disc1/STM32F407VGTx_FLASH.ld