AMD Merlin Falcon: Add CPU subdirectory files for new AMD processor

This adds the AMD Family 15h model 60h CPU.
S3 suspend/resume currently is not supported.

Tested on the amd/bettong platform.

Change-Id: I5dea55a5664d29c07a54937ed1e5c2f84715d8ea
Signed-off-by: WANG Siyuan <wangsiyuanbuaa@gmail.com>
Signed-off-by: WANG Siyuan <SiYuan.Wang@amd.com>
Reviewed-on: http://review.coreboot.org/10417
Tested-by: build bot (Jenkins)
Reviewed-by: Marc Jones <marc.jones@se-eng.com>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
diff --git a/src/cpu/amd/pi/Makefile.inc b/src/cpu/amd/pi/Makefile.inc
index 2ce5a4d..5a407b2 100644
--- a/src/cpu/amd/pi/Makefile.inc
+++ b/src/cpu/amd/pi/Makefile.inc
@@ -19,6 +19,7 @@
 
 subdirs-$(CONFIG_CPU_AMD_PI_00630F01) += 00630F01
 subdirs-$(CONFIG_CPU_AMD_PI_00730F01) += 00730F01
+subdirs-$(CONFIG_CPU_AMD_PI_00660F01) += 00660F01
 
 romstage-y += s3_resume.c
 ramstage-y += s3_resume.c