soc/amd/common: Fix missing header in amd_pci_utils.h

This was causing a build error because size_t wasn't defined.

Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: Ia467c7d6cc0f71580d0b323cb560c444d53bd7f7
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50508
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
diff --git a/src/soc/amd/common/block/include/amdblocks/amd_pci_util.h b/src/soc/amd/common/block/include/amdblocks/amd_pci_util.h
index 46fcfbf..a14aecf 100644
--- a/src/soc/amd/common/block/include/amdblocks/amd_pci_util.h
+++ b/src/soc/amd/common/block/include/amdblocks/amd_pci_util.h
@@ -3,7 +3,7 @@
 #ifndef AMD_BLOCK_PCI_UTIL_H
 #define AMD_BLOCK_PCI_UTIL_H
 
-#include <stdint.h>
+#include <types.h>
 #include <soc/amd_pci_int_defs.h>
 
 /* FCH index/data registers */