boot: remove direct fih delay rng inclusion

Direct inclusion of "bootutil/fault_injection_hardening_delay_rng.h"
might cause linking collision as this header belongs to `FIH_ENABLE_DELAY`
mode.
This header is already included by "bootutil/fault_injection_hardening.h"
appropriately.

fixes #831

Signed-off-by: Andrzej Puzdrowski <andrzej.puzdrowski@nordicsemi.no>

boot/bootutil/src/fault_injection_hardening_delay_rng_mbedtls.c

@@ -8,7 +8,6 @@
 
 #ifdef FIH_ENABLE_DELAY
 
-#include "bootutil/fault_injection_hardening_delay_rng.h"
 #include "mcuboot-mbedtls-cfg.h"
 #include "mbedtls/ctr_drbg.h"
 #include "mbedtls/entropy.h"

boot/cypress/MCUBootApp/main.c

@@ -37,7 +37,6 @@
 #include "bootutil/bootutil_log.h"
 
 #include "bootutil/fault_injection_hardening.h"
-#include "bootutil/fault_injection_hardening_delay_rng.h"
 
 /* Define pins for UART debug output */
 #define CYBSP_UART_ENABLED 1U

boot/mynewt/src/main.c

@@ -46,7 +46,6 @@
 #include "bootutil/bootutil.h"
 #include "bootutil/bootutil_log.h"
 #include "bootutil/fault_injection_hardening.h"
-#include "bootutil/fault_injection_hardening_delay_rng.h"
 
 #if MYNEWT_VAL(BOOT_CUSTOM_START)
 void boot_custom_start(uintptr_t flash_base, struct boot_rsp *rsp);

boot/zephyr/main.c

@@ -31,7 +31,6 @@
 #include "bootutil/image.h"
 #include "bootutil/bootutil.h"
 #include "bootutil/fault_injection_hardening.h"
-#include "bootutil/fault_injection_hardening_delay_rng.h"
 #include "flash_map_backend/flash_map_backend.h"
 
 #ifdef CONFIG_MCUBOOT_SERIAL

boot/zephyr/single_loader.c

@@ -10,7 +10,6 @@
 #include "bootutil_priv.h"
 #include "bootutil/bootutil_log.h"
 #include "bootutil/fault_injection_hardening.h"
-#include "bootutil/fault_injection_hardening_delay_rng.h"
 
 #include "mcuboot_config/mcuboot_config.h"