Add the rainier target to the targets in local.conf.sample

Signed-off-by: Sunitha Harish <sunithaharish04@gmail.com>
Change-Id: I462995746f090c449cb41e56e4864edfb1525f08
diff --git a/meta-witherspoon/conf/local.conf.sample b/meta-witherspoon/conf/local.conf.sample
index d3a2303..94e76f3 100644
--- a/meta-witherspoon/conf/local.conf.sample
+++ b/meta-witherspoon/conf/local.conf.sample
@@ -1,6 +1,7 @@
 #MACHINE ?= "mihawk"
 #MACHINE ?= "swift"
 #MACHINE ?= "witherspoon-128"
+#MACHINE ?= "rainier"
 MACHINE ??= "witherspoon"
 DISTRO ?= "openbmc-witherspoon"
 PACKAGE_CLASSES ?= "package_rpm"