can support menu fixes, include header file

can/config.in

@@ -1,5 +1,7 @@
 dep_bool_menu "CAN bus support" CAN_SUPPORT y
 
+bool 'Use MCU builtin SPI support' SPI_HARDWARE
+
 choice 'SPI Port'			\
    "PORTA  0 \
     PORTB  1 \
@@ -51,7 +53,7 @@ choice 'Bit SS'			\
     Bit7 7" \
    'Bit4' SPI_PIN_SS
 
-bool "Use interrupt" CAN_INTERRUPT
+dep_bool_menu "Use interrupt" CAN_INTERRUPT y
 
 choice 'Interrupt Port'			\
    "PINA  PINA \
@@ -72,3 +74,5 @@ choice 'Interrupt Bit'			\
    'Bit2' SPI_PIN_MCP_INT
 
 endmenu
+
+endmenu

config.h

@@ -16,7 +16,6 @@
 
 #define BORG_CAN
 // spi.[ch] defines
-#define SPI_HARDWARE
 
 #if SPI_PORTIDX == 0
 #define SPI_PORT PORTA

main.c

@@ -15,6 +15,10 @@
 	#include "joystick/joystick.h"
 #endif
 
+#ifdef CAN_SUPPORT
+	#include "can/borg_can.h"
+#endif
+
 int main (void){
 	clear_screen(0);