security/tpm: Move TSS stacks into sub-directory

Change-Id: I5e20d98665c17d39f3f69772093a062bb905f6f9
Signed-off-by: Philipp Deppenwiese <zaolin@das-labor.org>
Reviewed-on: https://review.coreboot.org/22105
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
diff --git a/src/security/tpm/Makefile.inc b/src/security/tpm/Makefile.inc
index cfd93c3..2385635 100644
--- a/src/security/tpm/Makefile.inc
+++ b/src/security/tpm/Makefile.inc
@@ -1,12 +1,14 @@
-verstage-$(CONFIG_TPM) += tcg-1.2/tss.c
-verstage-$(CONFIG_TPM2) += tcg-2.0/tss_marshaling.c
-verstage-$(CONFIG_TPM2) += tcg-2.0/tss.c
+## TSS
+
+verstage-$(CONFIG_TPM) += tss/tcg-1.2/tss.c
+verstage-$(CONFIG_TPM2) += tss/tcg-2.0/tss_marshaling.c
+verstage-$(CONFIG_TPM2) += tss/tcg-2.0/tss.c
 
 ifeq ($(CONFIG_VBOOT_SEPARATE_VERSTAGE),y)
-romstage-$(CONFIG_TPM) += tcg-1.2/tss.c
-romstage-$(CONFIG_TPM2) += tcg-2.0/tss_marshaling.c
-romstage-$(CONFIG_TPM2) += tcg-2.0/tss.c
+romstage-$(CONFIG_TPM) += tss/tcg-1.2/tss.c
+romstage-$(CONFIG_TPM2) += tss/tcg-2.0/tss_marshaling.c
+romstage-$(CONFIG_TPM2) += tss/tcg-2.0/tss.c
 endif # CONFIG_VBOOT_SEPARATE_VERSTAGE
 
-ramstage-$(CONFIG_TPM2) += tcg-2.0/tss_marshaling.c
-ramstage-$(CONFIG_TPM2) += tcg-2.0/tss.c
+ramstage-$(CONFIG_TPM2) += tss/tcg-2.0/tss_marshaling.c
+ramstage-$(CONFIG_TPM2) += tss/tcg-2.0/tss.c