ARM: cns3xxx: move debug_ll code to include/debug/

This is needed in order to keep debug_ll functionality on
cns3xxx working when we enable ARCH_MULTIPLATFORM.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/arch/arm/configs/cns3420vb_defconfig b/arch/arm/configs/cns3420vb_defconfig
index 313627a..b79e984 100644
--- a/arch/arm/configs/cns3420vb_defconfig
+++ b/arch/arm/configs/cns3420vb_defconfig
@@ -21,6 +21,7 @@
 CONFIG_IOSCHED_CFQ=m
 CONFIG_ARCH_CNS3XXX=y
 CONFIG_MACH_CNS3420VB=y
+CONFIG_DEBUG_CNS3XXX=y
 CONFIG_AEABI=y
 CONFIG_ZBOOT_ROM_TEXT=0x0
 CONFIG_ZBOOT_ROM_BSS=0x0