Add obmc-mrw Machine feature

Change-Id: I0fbf66ee1cc06222d1cc24d94674b142d3c08363
Signed-off-by: Matt Spinler <spinler@us.ibm.com>
diff --git a/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/conf/machine/witherspoon.conf b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/conf/machine/witherspoon.conf
index 36941a6..ef39de9 100644
--- a/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/conf/machine/witherspoon.conf
+++ b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/conf/machine/witherspoon.conf
@@ -3,6 +3,8 @@
 
 UBOOT_MACHINE = "ast_g5_ncsi_config"
 
+OBMC_MACHINE_FEATURES += "obmc-mrw"
+
 require conf/machine/include/ast2500.inc
 require conf/machine/include/obmc-bsp-common.inc
 require conf/machine/include/ibm.inc