Prepare v2012.10-rc2

Signed-off-by: Tom Rini <trini@ti.com>

Makefile

diff --git a/Makefile b/Makefile
index a40d4cc..34d9075 100644
--- a/Makefile
+++ b/Makefile
@@ -24,7 +24,7 @@
 VERSION = 2012
 PATCHLEVEL = 10
 SUBLEVEL =
-EXTRAVERSION = -rc1
+EXTRAVERSION = -rc2
 ifneq "$(SUBLEVEL)" ""
 U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)
 else