lib/powerpc/setup: fix comment

Signed-off-by: Andrew Jones <drjones@redhat.com>
Message-Id: <20170525103936.23063-1-drjones@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

lib/powerpc/setup.c

@@ -177,8 +177,8 @@ void setup(const void *fdt)
 	 * |                      |
 	 * +----------------------+   <-- top of cpu0's stack
 	 * |                      |
-	 * +----------------------+   <-- top of text/data/bss sections,
-	 * |                      |       see arm/flat.lds
+	 * +----------------------+   <-- top of text/data/bss/toc sections,
+	 * |                      |       see powerpc/flat.lds
 	 * |                      |
 	 * +----------------------+   <-- load address
 	 * |                      |