spl: atf: pass NULL for bl32_ep pc

ATF use bl32_ep_info->pc to decide if thre is an available bl32,
let's mark it as NULL first.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>

common/spl/spl_atf.c

@@ -50,13 +50,14 @@ static struct bl31_params *bl2_plat_get_bl31_params(uintptr_t bl33_entry)
 		       ATF_PARAM_IMAGE_BINARY, ATF_VERSION_1, 0);
 
 	/* Fill BL32 related information if it exists */
-#ifdef BL32_BASE
 	bl2_to_bl31_params->bl32_ep_info = &bl31_params_mem.bl32_ep_info;
 	SET_PARAM_HEAD(bl2_to_bl31_params->bl32_ep_info, ATF_PARAM_EP,
 		       ATF_VERSION_1, 0);
 	bl2_to_bl31_params->bl32_image_info = &bl31_params_mem.bl32_image_info;
 	SET_PARAM_HEAD(bl2_to_bl31_params->bl32_image_info,
 		       ATF_PARAM_IMAGE_BINARY, ATF_VERSION_1, 0);
+#ifndef BL32_BASE
+	bl2_to_bl31_params->bl32_ep_info->pc = 0;
 #endif /* BL32_BASE */
 
 	/* Fill BL33 related information */