revert validate prim slot from ram boot

Signed-off-by: INFINEON\DovhalA <Artem.Dovhal@infineon.com>

boot/bootutil/src/loader.c

@@ -723,7 +723,7 @@ boot_rom_address_check(struct boot_loader_state *state)
  * FIH_NO_BOOTABLE_IMAGE if no bootloable image was found
  * FIH_FAILURE on any errors
  */
-fih_ret
+static fih_ret
 boot_validate_slot(struct boot_loader_state *state, int slot,
  struct boot_status *bs)
 {
@@ -3181,7 +3181,7 @@ boot_load_and_validate_images(struct boot_loader_state *state)
  continue;
  }
 #endif /* MCUBOOT_RAM_LOAD */
-#ifdef MCUBOOT_VALIDATE_PRIMARY_SLOT
+
  fih_ret fih_rc;
  FIH_CALL(boot_validate_slot, fih_rc, state, active_slot, NULL);
  if (FIH_NOT_EQ(fih_rc, FIH_SUCCESS)) {
@@ -3193,7 +3193,7 @@ boot_load_and_validate_images(struct boot_loader_state *state)
  state->slot_usage[BOOT_CURR_IMG(state)].active_slot = NO_ACTIVE_SLOT;
  continue;
  }
-#endif
+
  /* Valid image loaded from a slot, go to next image. */
  break;
  }