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/tests/Transceiver52M/Makefile.am b/tests/Transceiver52M/Makefile.am
index 8a05bd8..778d64d 100644
--- a/tests/Transceiver52M/Makefile.am
+++ b/tests/Transceiver52M/Makefile.am
@@ -1,6 +1,6 @@
 include $(top_srcdir)/Makefile.common
 
-AM_CFLAGS = -Wall -I$(top_srcdir)/Transceiver52M $(STD_DEFINES_AND_INCLUDES) -g
+AM_CFLAGS = -Wall -I$(top_srcdir)/Transceiver52M -I$(top_srcdir)/Transceiver52M/arch/common $(STD_DEFINES_AND_INCLUDES) -g
 
 EXTRA_DIST = convolve_test.ok