Change AMD vendorcode build

Apply the normal method of recursively including subdirectories
for src/vendorcode. Remove redundant references under
mainboard and northbridge.

Change-Id: I914a6e262ed2abe83f407df36fe5c1af5eb4bcb0
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/468
Tested-by: build bot (Jenkins)
Reviewed-by: Kerry Sheh <shekairui@gmail.com>
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>

1 files changed, 2 insertions, 0 deletions

diff --git a/src/vendorcode/amd/Makefile.inc b/src/vendorcode/amd/Makefile.inc
new file mode 100644
index 0000000000..2897ff25c3
--- /dev/null
+++ b/src/vendorcode/amd/Makefile.inc
@@ -0,0 +1,2 @@
+subdirs-y += agesa
+subdirs-y += cimx