baremetal: fix heap and stack position in preparation for CLI arguments

build-baremetal

@@ -102,6 +102,7 @@ Build the baremetal examples with crosstool-NG.
             )
         cc_flags.extend([
             '-Wl,--section-start=.text={:#x}'.format(entry_address), LF,
+            '-Wl,--section-start=.lkmc_memory={:#x}'.format(entry_address + 0x1000000), LF,
             '-T', self.env['baremetal_link_script'], LF,
         ])
         with thread_pool.ThreadPool(