Update CHANGELOG, prepare -rc2

Signed-off-by: Wolfgang Denk <wd@denx.de>

Makefile

@@ -24,7 +24,7 @@
 VERSION = 2009
 PATCHLEVEL = 11
 SUBLEVEL =
-EXTRAVERSION = -rc1
+EXTRAVERSION = -rc2
 ifneq "$(SUBLEVEL)" ""
 U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)
 else