security/intel/txt: Clean up includes

Sort them alphabetically, and use <types.h> everywhere.
Drop unused <intelblocks/systemagent.h> header, too.

Change-Id: Ib8f3339e5969cf8552984164fa7e08e070987a24
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46049
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
diff --git a/src/security/intel/txt/ramstage.c b/src/security/intel/txt/ramstage.c
index 145182f..fb84777e 100644
--- a/src/security/intel/txt/ramstage.c
+++ b/src/security/intel/txt/ramstage.c
@@ -1,16 +1,15 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
-#include <arch/mmio.h>
 #include <acpi/acpi.h>
-#include <bootstate.h>
+#include <arch/mmio.h>
 #include <bootmem.h>
-#include <console/console.h>
-#include <stdint.h>
+#include <bootstate.h>
 #include <cbfs.h>
+#include <console/console.h>
 #include <cpu/intel/common/common.h>
 #include <cpu/x86/msr.h>
-
 #include <device/pci_ops.h>
+#include <types.h>
 
 #include "txt.h"
 #include "txt_register.h"