fix(class/msc/usbd_msc): fix spelling

class/msc/usbd_msc.c

@@ -968,7 +968,7 @@ void usbd_msc_set_readonly(uint8_t busid, bool readonly)
     g_usbd_msc[busid].readonly = readonly;
 }
 
-bool usbd_msc_set_popup(uint8_t busid)
+bool usbd_msc_get_popup(uint8_t busid)
 {
     return g_usbd_msc[busid].popup;
 }

class/msc/usbd_msc.h

@@ -23,7 +23,7 @@ int usbd_msc_sector_read(uint8_t busid, uint8_t lun, uint32_t sector, uint8_t *b
 int usbd_msc_sector_write(uint8_t busid, uint8_t lun, uint32_t sector, uint8_t *buffer, uint32_t length);
 
 void usbd_msc_set_readonly(uint8_t busid, bool readonly);
-bool usbd_msc_set_popup(uint8_t busid);
+bool usbd_msc_get_popup(uint8_t busid);
 
 void usbd_msc_polling(uint8_t busid);