lmb: Move enum lmb_flags to a u32

LMB flags is not an enum anymore. It's currently used as a bitmask
in various places of our code. So make it a u32 which is more
appropriate when dealing with masks.

Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Tested-by: Sam Protsenko <semen.protsenko@linaro.org>
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
diff --git a/test/cmd/bdinfo.c b/test/cmd/bdinfo.c
index bb419ab..014391b 100644
--- a/test/cmd/bdinfo.c
+++ b/test/cmd/bdinfo.c
@@ -104,7 +104,7 @@
 {
 	struct lmb_region *rgn = lmb_rgn_lst->data;
 	unsigned long long base, size, end;
-	enum lmb_flags flags;
+	u32 flags;
 	int i;
 
 	ut_assert_nextline(" %s.count = %#x", name, lmb_rgn_lst->count);