need to initialize MMU inside vmlinux for xtensa dc233c emulation, from Max Filippov

target/config/Config.in.qemu

@@ -39,6 +39,7 @@ config ADK_TARGET_QEMU_XTENSA_DC232B
 config ADK_TARGET_QEMU_XTENSA_DC233C
 	boolean "dc233c"
 	select ADK_KERNEL_XTENSA_VARIANT_DC233C
+	select ADK_KERNEL_INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX
 
 endchoice
 

target/linux/config/Config.in.xtensa

@@ -3,3 +3,6 @@ config ADK_KERNEL_XTENSA_VARIANT_DC233C
 
 config ADK_KERNEL_XTENSA_VARIANT_DC232B
 	boolean
+
+config ADK_KERNEL_INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX
+	boolean