riscv: Fix setting no-map in reserved memory nodes

The no-map property is wrongly skipped if a no-map reserved memory
node follows one without that property. Fix this by not remembering
the absence of a no-map property across loop iterations.

Fixes: d4ea649f179a ("riscv: Provide a mechanism to fix DT for reserved memory")
Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Rick Chen <rick@andestech.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
diff --git a/arch/riscv/lib/fdt_fixup.c b/arch/riscv/lib/fdt_fixup.c
index f636b28..61cf893 100644
--- a/arch/riscv/lib/fdt_fixup.c
+++ b/arch/riscv/lib/fdt_fixup.c
@@ -31,7 +31,6 @@
 	fdt_addr_t addr;
 	fdt_size_t size;
 	int offset, node, err, rmem_offset;
-	bool nomap = true;
 	char basename[32] = {0};
 	int bname_len;
 	int max_len = sizeof(basename);
@@ -81,9 +80,7 @@
 			log_err("failed to add reserved memory: %d\n", err);
 			return err;
 		}
-		if (!fdt_getprop(src, node, "no-map", NULL))
-			nomap = false;
-		if (nomap) {
+		if (fdt_getprop(src, node, "no-map", NULL)) {
 			rmem_offset = fdt_node_offset_by_phandle(dst, phandle);
 			fdt_setprop_empty(dst, rmem_offset, "no-map");
 		}