merge n6 and h7rs (same config)

Author: hathach

src/common/tusb_mcu.h

@@ -312,7 +312,7 @@
   #define TUP_USBIP_FSDEV_STM32
   #define TUP_DCD_ENDPOINT_MAX    8
 
-#elif TU_CHECK_MCU(OPT_MCU_STM32H7RS)
+#elif TU_CHECK_MCU(OPT_MCU_STM32H7RS, OPT_MCU_STM32N6)
   #define TUP_USBIP_DWC2
   #define TUP_USBIP_DWC2_STM32
 
@@ -322,15 +322,6 @@
   // MCU with on-chip HS Phy
   #define TUP_RHPORT_HIGHSPEED    1
 
-#elif TU_CHECK_MCU(OPT_MCU_STM32N6)
-  #define TUP_USBIP_DWC2
-  #define TUP_USBIP_DWC2_STM32
-
-  #define TUP_DCD_ENDPOINT_MAX    9
-
-  // MCU with on-chip HS Phy
-  #define TUP_RHPORT_HIGHSPEED    2
-
 //--------------------------------------------------------------------+
 // Sony
 //--------------------------------------------------------------------+

src/portable/synopsys/dwc2/dwc2_stm32.h

@@ -79,8 +79,8 @@ extern "C" {
 
 #elif CFG_TUSB_MCU == OPT_MCU_STM32N6
   #include "stm32n6xx.h"
-  #define EP_MAX_FS       6
-  #define EP_FIFO_SIZE_FS 1280
+  #define EP_MAX_FS       9
+  #define EP_FIFO_SIZE_FS 4096
 
   #define EP_MAX_HS       9
   #define EP_FIFO_SIZE_HS 4096