ufshcd-pltfrm: remove redundant dev_err call in ufshcd_pltfrm_probe()

There is a error message within devm_ioremap_resource
already, so remove the dev_err call to avoid redundant
error message.

Change-Id: I7770385d0a8f295a01cdfd2bd9df0abf68172c99
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
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>