msm: iommu: Enable the IOMMU driver for 8960

Enable the IOMMU driver in the 8960 defconfigs.

Change-Id: Ib0e9cedf098e0cfc9fb65bc8e6a25c52a538b3bc
Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org>
diff --git a/arch/arm/configs/msm8960_defconfig b/arch/arm/configs/msm8960_defconfig
index 469cfcf..c38c161 100644
--- a/arch/arm/configs/msm8960_defconfig
+++ b/arch/arm/configs/msm8960_defconfig
@@ -74,6 +74,7 @@
 CONFIG_MSM_TZ_LOG=y
 CONFIG_MSM_RPM_LOG=y
 CONFIG_MSM_RPM_STATS_LOG=y
+CONFIG_MSM_IOMMU=y
 CONFIG_MSM_BUS_SCALING=y
 CONFIG_MSM_BUS_RPM_MULTI_TIER_ENABLED=y
 CONFIG_MSM_WATCHDOG=y