add support for EFM32GG

merge GG12 GG12 to simply OPT_MCU_EFM32GG

hw/bsp/stm32h7/boards/stm32h743eval/board.mk

@@ -2,6 +2,7 @@ CFLAGS += -DSTM32H743xx -DHSE_VALUE=25000000
 
 # Default is Highspeed port
 PORT ?= 1
+SPEED ?= high
 
 SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32h743xx.s
 LD_FILE = $(BOARD_PATH)/stm32h743xx_flash.ld

hw/bsp/stm32h7/family.mk

@@ -19,16 +19,22 @@ CFLAGS += \
 	-DBOARD_DEVICE_RHPORT_NUM=$(PORT)
 
 ifeq ($(PORT), 1)
-  CFLAGS += -DBOARD_DEVICE_RHPORT_SPEED=OPT_MODE_HIGH_SPEED
-  $(info "PORT1 High Speed")
+  ifeq ($(SPEED), high)
+    CFLAGS += -DBOARD_DEVICE_RHPORT_SPEED=OPT_MODE_HIGH_SPEED
+    $(info "Using OTG_HS in HighSpeed mode")
+  else
+    CFLAGS += -DBOARD_DEVICE_RHPORT_SPEED=OPT_MODE_FULL_SPEED
+    $(info "Using OTG_HS in FullSpeed mode")
+  endif
 else
-  $(info "PORT0 Full Speed")
+  $(info "Using OTG_FS")
 endif
 
 # suppress warning caused by vendor mcu driver
 CFLAGS += -Wno-error=maybe-uninitialized -Wno-error=cast-align
 
 # All source paths should be relative to the top level.
+
 SRC_C += \
 	src/portable/synopsys/dwc2/dcd_dwc2.c \
 	$(ST_CMSIS)/Source/Templates/system_stm32$(ST_FAMILY)xx.c \