plat: xilinx: zynqmp: Enable log messages for debug

Save some space by enabling the log messages like bl33 address
only for debug builds. Also check the bl33 and bl32 address and
print only if this is not NULL.
Signed-off-by: Venkatesh Yadav Abbarapu <venkatesh.abbarapu@xilinx.com>
Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Change-Id: I58d846bf69a75e839eb49abcbb9920af13296886

plat/xilinx/zynqmp/bl31_zynqmp_setup.c

@@ -104,9 +104,12 @@ void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1,
 		else if (ret != FSBL_HANDOFF_SUCCESS)
 			panic();
 	}
-
-	NOTICE("BL31: Secure code at 0x%lx\n", bl32_image_ep_info.pc);
-	NOTICE("BL31: Non secure code at 0x%lx\n", bl33_image_ep_info.pc);
+	if (bl32_image_ep_info.pc) {
+		VERBOSE("BL31: Secure code at 0x%lx\n", bl32_image_ep_info.pc);
+	}
+	if (bl33_image_ep_info.pc) {
+		VERBOSE("BL31: Non secure code at 0x%lx\n", bl33_image_ep_info.pc);
+	}
 }
 
 /* Enable the test setup */