FROMGIT: remoteproc: introduce is_iomem to rproc_mem_entry

Introduce is_iomem to indicate this piece memory is iomem or not.

Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Link: https://lore.kernel.org/r/1615029865-23312-4-git-send-email-peng.fan@oss.nxp.com


Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Bug: 159736148
(cherry picked from commit 2cfc056e
 https://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc.git for-next)
Link: https://lore.kernel.org/r/1615029865-23312-4-git-send-email-peng.fan@oss.nxp.com


Signed-off-by: Jindong Yue <jindong.yue@nxp.com>
Change-Id: I3e78b7cdf4ca9d76d7465dd03f09764bdd0404dd