Move arch specific fiels to arch subdir

Take the chance to update some includes using files available in that
subdir to have them ina more uniform way.

Change-Id: Ibda3c54fd4dc3f6b845cc373f1a1e6b758c1ea82
diff --git a/configure.ac b/configure.ac
index 8271dbf..125f41e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -199,9 +199,10 @@
     CommonLibs/Makefile \
     GSM/Makefile \
     Transceiver52M/Makefile \
-    Transceiver52M/common/Makefile \
-    Transceiver52M/arm/Makefile \
-    Transceiver52M/x86/Makefile \
+    Transceiver52M/arch/Makefile \
+    Transceiver52M/arch/common/Makefile \
+    Transceiver52M/arch/arm/Makefile \
+    Transceiver52M/arch/x86/Makefile \
     tests/Makefile \
     tests/CommonLibs/Makefile \
     tests/Transceiver52M/Makefile \