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/common.c b/src/security/intel/txt/common.c
index 738cd54..e73defb 100644
--- a/src/security/intel/txt/common.c
+++ b/src/security/intel/txt/common.c
@@ -1,15 +1,15 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
 #include <arch/mmio.h>
-#include <string.h>
 #include <console/console.h>
-#include <types.h>
 #include <cbfs.h>
-#include <cpu/x86/lapic.h>
 #include <cpu/x86/cr.h>
+#include <cpu/x86/lapic.h>
 #include <cpu/x86/mp.h>
 #include <lib.h>
 #include <smp/node.h>
+#include <string.h>
+#include <types.h>
 
 #if CONFIG(SOC_INTEL_COMMON_BLOCK_SA)
 #include <soc/intel/common/reset.h>