vbe: Add fixups for a basic set of OS requests

As a starting point, add support for providing random data, if requested
by the OS. Also add ASLR, as a placeholder for now.

Signed-off-by: Simon Glass <sjg@chromium.org>
(fixed up to use uclass_first_device_err() instead)
diff --git a/boot/Makefile b/boot/Makefile
index 67e3352..dd45d78 100644
--- a/boot/Makefile
+++ b/boot/Makefile
@@ -47,5 +47,5 @@
 obj-$(CONFIG_SPL_LOAD_FIT) += common_fit.o
 endif
 
-obj-$(CONFIG_$(SPL_TPL_)BOOTMETH_VBE) += vbe.o
+obj-$(CONFIG_$(SPL_TPL_)BOOTMETH_VBE) += vbe.o vbe_fixup.o
 obj-$(CONFIG_$(SPL_TPL_)BOOTMETH_VBE_SIMPLE) += vbe_simple.o