drivers/scsi/ufs: don't check resource with devm_ioremap_resource

devm_ioremap_resource does sanity checks on the given resource. No need to
duplicate this in the driver.

Change-Id: I52acace37c61ef92fb893f0cb187f4f441bac6d5
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Santosh Y <santoshsy@gmail.com>
Patch-mainline: linux-scsi@vger.kernel.org @ 07/28/13, 08:10
Signed-off-by: Dolev Raviv <draviv@codeaurora.org>