src/security: Remove unused <stdlib.h>

Change-Id: I0b5c375baf7911ebced2f8c43a88aae014c877ad
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33694
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/security/tpm/tspi/tspi.c

@@ -19,7 +19,6 @@
 #include <console/console.h>
 #include <security/tpm/tspi.h>
 #include <security/tpm/tss.h>
-#include <stdlib.h>
 #if CONFIG(VBOOT)
 #include <vb2_api.h>
 #include <vb2_sha.h>

src/security/tpm/tss/tcg-2.0/tss_marshaling.c

@@ -7,7 +7,6 @@
 
 #include <commonlib/iobuf.h>
 #include <console/console.h>
-#include <stdlib.h>
 #include <string.h>
 
 #include "tss_marshaling.h"

src/security/vboot/secdata_mock.c

@@ -32,7 +32,6 @@
  * stored in the TPM NVRAM.
  */
 
-#include <stdlib.h>
 #include <security/tpm/tspi.h>
 #include <vb2_api.h>
 

src/security/vboot/secdata_tpm.c

@@ -34,7 +34,6 @@
 
 #include <security/vboot/antirollback.h>
 #include <security/vboot/tpm_common.h>
-#include <stdlib.h>
 #include <string.h>
 #include <security/tpm/tspi.h>
 #include <vb2_api.h>