src/{device,drivers}: Use 'include <stdlib.h>' when appropriate

Also, including <types.h>, is supposed to provide stdint and stddef.

Change-Id: I99918a5a77e759bc7d4192d2c3fd6ad493c70248
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33681
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>

src/drivers/i2c/tpm/cr50.c

@@ -29,7 +29,6 @@
 
 #include <arch/early_variables.h>
 #include <commonlib/endian.h>
-#include <stdint.h>
 #include <string.h>
 #include <types.h>
 #include <delay.h>
@@ -38,6 +37,8 @@
 #include <endian.h>
 #include <timer.h>
 #include <security/tpm/tis.h>
+#include <stdlib.h>
+
 #include "tpm.h"
 
 #define CR50_MAX_BUFSIZE	63

src/drivers/i2c/tpm/tis_atmel.c

@@ -13,7 +13,6 @@
  */
 
 #include <arch/early_variables.h>
-#include <stdint.h>
 #include <assert.h>
 #include <commonlib/endian.h>
 #include <console/console.h>
@@ -22,7 +21,9 @@
 #include <endian.h>
 #include <lib.h>
 #include <security/tpm/tis.h>
+#include <stdlib.h>
 #include <timer.h>
+#include <types.h>
 
 #define RECV_TIMEOUT            (1 * 1000)  /* 1 second */
 #define XMIT_TIMEOUT            (1 * 1000)  /* 1 second */