[nrf fromlist] platform: Add empty HW counter lock implementation

Add a dummy, empty function to all existing HW based counters
implementations.

Upstream PR #: 2543

Signed-off-by: Tomasz Chyrowicz <[email protected]>

Author: tomchy

boot/cypress/MCUBootApp/cy_security_cnt.c

@@ -42,3 +42,12 @@ boot_nv_security_counter_update(uint32_t image_id, uint32_t img_security_cnt)
     /* Do nothing. */
     return 0;
 }
+
+int32_t
+boot_nv_security_counter_lock(uint32_t image_id)
+{
+    (void)image_id;
+
+    /* Do nothing. */
+    return 0;
+}

sim/mcuboot-sys/csupport/security_cnt.c

@@ -40,4 +40,10 @@ int32_t boot_nv_security_counter_update(uint32_t image_id, uint32_t img_security
     return sim_set_nv_counter_for_image(image_id, img_security_cnt);
 }
 
+int32_t boot_nv_security_counter_lock(uint32_t image_id) {
+    MCUBOOT_LOG_INF("Locking security counter value for image: %d\n", image_id);
+
+    return sim_set_nv_counter_for_image(image_id, img_security_cnt);
+}
+
 #endif /* MCUBOOT_HW_ROLLBACK_PROT */