common: board_r: Drop initr_noncached wrapper

Add a return value to noncached_init and use it directly in the
post-relocation init sequence, rather than using a wrapper stub.

Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/lib/cache.c b/arch/arm/lib/cache.c
index ee7d14b..bdde9cd 100644
--- a/arch/arm/lib/cache.c
+++ b/arch/arm/lib/cache.c
@@ -86,7 +86,7 @@
 #endif
 }
 
-void noncached_init(void)
+int noncached_init(void)
 {
 	phys_addr_t start, end;
 	size_t size;
@@ -103,6 +103,8 @@
 	noncached_next = start;
 
 	noncached_set_region();
+
+	return 0;
 }
 
 phys_addr_t noncached_alloc(size_t size, size_t align)