libfdt: use CONFIG_IS_ENABLED for OF_LIBFDT

Use CONFIG_IS_ENABLED() macro to check whether OF_TRANSLATE is enabled, so
that code block is compiled irrespective of SPL or U-Boot build
and fdt address translation is used.

Signed-off-by: Vignesh R <vigneshr@ti.com>

lib/fdtdec.c

@@ -112,7 +112,7 @@ fdt_addr_t fdtdec_get_addr_size_fixed(const void *blob, int node,
 		return FDT_ADDR_T_NONE;
 	}
 
-#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_OF_LIBFDT)
+#if CONFIG_IS_ENABLED(OF_TRANSLATE)
 	if (translate)
 		addr = fdt_translate_address(blob, node, prop_addr);
 	else