Copy Berry Fix MB dism from FR (#777)

* Copy Berry Fix MB dism from FR

berry_fix/ld_script.txt

@@ -0,0 +1,31 @@
+ENTRY(_start)
+
+SECTIONS {
+	. = 0x2000000;
+
+	.text :
+	ALIGN(4)
+	{
+		asm/loader.o(.text);
+	} =0
+
+	. += 0x100;
+	.rodata :
+	ALIGN(4)
+	{
+		data/data.o(.rodata);
+	} =0
+
+	. = 0x2010000;
+
+	ewram (NOLOAD) :
+	ALIGN(4)
+	{
+		gCode = .;
+	}
+
+	/DISCARD/ :
+	{
+		*(*);
+	}
+}