iommu/arm-smmu: fix iommu_present() test in init

The extra semi-colon on the end breaks the test.

Change-Id: Ia98527a8d035ad32f3cf47a1ad91dead4ad4ee59
Cc: <stable@vger.kernel.org>
Tested-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Git-commit: 6614ee77f49d37f9bb77eb3e81431ca8fcc4042e
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git


Signed-off-by: Mitchel Humpherys <mitchelh@codeaurora.org>