move wamr mmap memory region into .text segment for wamr aot mode

targets/linker.ld

@@ -18,7 +18,6 @@ SECTIONS {
     /* Code and readonly data */
     .text : {
         /* fill gaps with int3 opcode to detect invalid jumps */
-        /* TODO: Crashes */
         FILL(0xcc)
 
         /* multiboot header */
@@ -51,7 +50,9 @@ SECTIONS {
     }
 
     /* Data and Stacks */
-    . = 0x200000;
+    /* NOTE: When including the WAMR mmap region inside .text, it has to be large */
+    /* . = 0x200000; */
+    . = ALIGN(4096);
     .data : {
         KEEP (*(".startup_stack"))
         KEEP (*(".kernel_stack"))