Change coreboot error from T210B01 to Mariko

Change T210B01 name in order for users to understand that it's about Mariko.

bootloader/main.c

@@ -238,7 +238,7 @@ int launch_payload(char *path, bool update)
 				f_close(&fp);
 
 				gfx_con.mute = 0;
-				EPRINTF("T210B01: Coreboot not allowed!");
+				EPRINTF("Coreboot not allowed on Mariko!");
 
 				goto out;
 			}

nyx/nyx_gui/nyx.c

@@ -175,7 +175,7 @@ lv_res_t launch_payload(lv_obj_t *list)
 			{
 				f_close(&fp);
 
-				EPRINTF("T210B01: Coreboot not allowed!");
+				EPRINTF("Coreboot not allowed on Mariko!");
 
 				goto out;
 			}