skip rules for mmc rpmb partition

Upstream-status: Pending

In FSL SDK 1.6 Kernel, mmc driver has created a new partition
with "mmcblkXrpmb" if device expresses it support of RPMB.

RPMB (Replay Protected Memory Block), A signed access to a Replay
Protected Memory Block is provided. This function provides means
for the system to store data to the specific memory area in an
authenticated and replay protected manner.

In that case, any read/write access to this partition device will
report errors which will not impact any fuction.

add rules to skip it.

Signed-off-by: Ting Liu <ting.liu@nxp.com>
Signed-off-by: Zhenhua Luo <zhenhua.luo@nxp.com>

--- ./rules/60-persistent-storage.rules.orig	2016-03-01 21:07:13.304170363 -0600
+++ ./rules/60-persistent-storage.rules	2016-03-01 21:07:32.784169668 -0600
@@ -6,6 +6,7 @@
 ACTION=="remove", GOTO="persistent_storage_end"
 
 SUBSYSTEM!="block", GOTO="persistent_storage_end"
+KERNEL=="mmcblk*rpmb", GOTO="persistent_storage_end"
 KERNEL!="loop*|mmcblk*[0-9]|msblk*[0-9]|mspblk*[0-9]|nvme*|sd*|sr*|vd*|xvd*|bcache*|cciss*|dasd*|ubd*", GOTO="persistent_storage_end"
 
 # ignore partitions that span the entire disk