Merge branch 'unnecessary_resource_check'

Varka Bhadram says:

====================
cleanup on resource check

This series removes the duplication of sanity check for
platform_get_resource() return resource. It will be checked
with devm_ioremap_resource()

changes since v2:
	- Merge #1 and #2 patches into single patch
	- remove the comment

changes since v1:
	- remove NULL dereference on resource_size()
====================

Signed-off-by: David S. Miller <davem@davemloft.net>