Rename MS-sculpt-mobile to MS_scuplpt_mobile

Subprojects with "-" have problems, since the build system creates
a define containing the subproject name, and "-" is illegal in
macro names.

keyboards/handwired/MS_sculpt_mobile/keymaps/default/config.h

@@ -1,7 +1,7 @@
 #ifndef CONFIG_USER_H
 #define CONFIG_USER_H
 
-#include "../../config.h"
+#include "../../../MS_sculpt_mobile/config.h"
 
 // place overrides here
 

keyboards/handwired/MS_sculpt_mobile/keymaps/default/keymap.c

@@ -1,4 +1,4 @@
-#include "MS-sculpt-mobile.h"
+#include "../../MS_sculpt_mobile.h"
 
 const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 /*