fdtdec: dtb_dt_embedded: replace ifdefs by IS_ENABLED()

Patch fixes the checkpatch warnings like:
```
  WARNING: Use 'if (IS_ENABLED(CONFIG...))' instead of '#if or #ifdef'
  #94: FILE: lib/fdtdec.c:102:
  +#ifdef CONFIG_OF_EMBED
```

Signed-off-by: Evgeny Bachinin <EABachinin@salutedevices.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

diff --git a/lib/fdtdec.c b/lib/fdtdec.c
index 9cb94a1..7f14188 100644 (file)
--- a/lib/fdtdec.c
+++ b/lib/fdtdec.c
@@ -99,15 +99,15 @@ extern u8 __dtb_dt_spl_begin[];     /* embedded device tree blob for SPL/TPL */
 /* Get a pointer to the embedded devicetree, if there is one, else NULL */
 static u8 *dtb_dt_embedded(void)
 {
-#ifdef CONFIG_OF_EMBED
-# ifdef CONFIG_XPL_BUILD
-       return __dtb_dt_spl_begin;
-# else
-       return __dtb_dt_begin;
-# endif
-#else
-       return NULL;
-#endif
+       u8 *addr = NULL;
+
+       if (IS_ENABLED(CONFIG_OF_EMBED)) {
+               addr = __dtb_dt_begin;
+
+               if (IS_ENABLED(CONFIG_XPL_BUILD))
+                       addr = __dtb_dt_spl_begin;
+       }
+       return addr;
 }
 
 const char *fdtdec_get_srcname(void)