Normalise include statements in keyboard code (#11185)

keyboards/crkbd/rev1/legacy/config.h

@@ -18,6 +18,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #pragma once
 
-#include <serial_config.h>
+#include "serial_config.h"
 
 #define PRODUCT         Corne Keyboard Rev.1 (Legacy Split)

keyboards/crkbd/rev1/legacy/split_scomm.c

@@ -23,7 +23,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include <stdbool.h>
 #include <stdint.h>
 #include <stddef.h>
-#include <split_scomm.h>
+#include "split_scomm.h"
 #include "serial.h"
 #ifdef CONSOLE_ENABLE
   #include "debug.h"