arm: support very early callback into board functions

Due to changes of the order of initialization of
the ARM-specfic memory management code in 3.0, it
is necessary to create a way to call platform specific
code earlier than is currently possible.

Change-Id: I77dae10c85085358f7240889a50b78b07d5af6d1
Signed-off-by: Larry Bassel <lbassel@codeaurora.org>
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 9705e8c..eaf8690 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -903,6 +903,9 @@
 
 	parse_early_param();
 
+	if (mdesc->init_very_early)
+		mdesc->init_very_early();
+
 	sanity_check_meminfo();
 	arm_memblock_init(&meminfo, mdesc);