soc/intel/elkhartlake/chip.h: Include types.h instead of stdint.h

As the used 'bool' type is defined in stdbool.h, include types.h
(instead of stdint.h) which includes all needed header files.

Change-Id: I3f75776575a7a5f70484411b9f3458530f706ec4
Signed-off-by: Werner Zeh <werner.zeh@siemens.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/71790
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/intel/elkhartlake/chip.h

@@ -17,7 +17,7 @@
 #include <soc/pmc.h>
 #include <soc/serialio.h>
 #include <soc/usb.h>
-#include <stdint.h>
+#include <types.h>
 
 #define MAX_HD_AUDIO_SDI_LINKS	2
 #define MAX_HD_AUDIO_DMIC_LINKS	2