[FL-2052] New build system based on scons (#1269)

firmware/targets/f7/application-ext.ld

@@ -0,0 +1,37 @@
+SECTIONS
+{
+	.text 0x00000000 :
+	{
+		*(.text)
+		*(.text.*)
+	}
+
+	.rodata :
+	{
+		*(.rodata)
+		*(.rodata1)
+		*(.rodata.*)
+	}
+
+	.data :
+	{
+		*(.data)
+		*(.data1)
+		*(.data.*)
+	}
+
+	.bss :
+	{
+		*(.bss)
+		*(.bss.*)
+		*(.sbss)
+		*(.sbss.*)
+		*(COMMON)
+	}
+
+	/DISCARD/ :
+	{
+		*(.comment)
+		*(.comment.*)
+	}
+}