configs/metro-m4: Fix Metro M4 compile and link. This rippled back to more changes in arch/arm/src/samd5e5, like the sercom logic was not in the compile! Also a great opporunity to improve some naming.

configs/metro-m4/src/sam_autoleds.c

@@ -80,6 +80,7 @@
 
 #include "up_arch.h"
 #include "up_internal.h"
+#include "sam_port.h"
 #include "metro-m4.h"
 
 #include <arch/board/board.h>
@@ -206,7 +207,7 @@ static int led_pm_prepare(struct pm_callback_s *cb, int domain,
 
 void board_autoled_initialize(void)
 {
-  (void)sam_configport(PORT_RED_LED);
+  (void)sam_portconfig(PORT_RED_LED);
 }
 
 /****************************************************************************

configs/metro-m4/src/sam_boot.c

@@ -52,7 +52,7 @@
  ****************************************************************************/
 
 /****************************************************************************
- * Name: sam_boardinitialize
+ * Name: sam_board_initialize
  *
  * Description:
  *   All SAMD5/E5 architectures must provide the following entry point. 
@@ -62,7 +62,7 @@
  *
  ****************************************************************************/
 
-void sam_boardinitialize(void)
+void sam_board_initialize(void)
 {
 #ifdef CONFIG_ARCH_LEDS
   /* Configure on-board LEDs if LED support has been selected. */

configs/metro-m4/src/sam_userleds.c

@@ -60,6 +60,7 @@
 #include <nuttx/power/pm.h>
 
 #include "up_arch.h"
+#include "sam_port.h"
 
 #include "metro-m4.h"
 
@@ -188,7 +189,7 @@ static int led_pm_prepare(struct pm_callback_s *cb, int domain,
 
 void board_userled_initialize(void)
 {
-  (void)sam_configport(PORT_STATUS_LED);
+  (void)sam_portconfig(PORT_STATUS_LED);
 }
 
 /****************************************************************************