arm64/configs: marlin: disable IOMMU selftest on boot

In production CONFIG_IOMMU_IO_PGTABLE_FAST_SELFTEST only yeilds WARN_ON if tests fail.

Also cleaned up by savedefconfig

With selftest, boot up time:
Event                         : Mean    stddev
android_init_1st_stage        : 2.9112  0.054649
android_init_2st_stage        : 2.9668  0.057114

Witout selftest:
Event                         : Mean    stddev
android_init_1st_stage        : 2.7654  0.026762
android_init_2st_stage        : 2.8238  0.025295

(cherry picked from commit cd2c000d)
Bug: 32659804
Bug: 33128377
Test: Manual
Signed-off-by: Wei Wang <wvw@google.com>
Change-Id: Icf4ab4b28326847c1ca8876c306f1ba9cf5ffe5c

arch/arm64/configs/marlin_defconfig

@@ -557,7 +557,6 @@ CONFIG_MSM_CLK_CONTROLLER_V2=y
 CONFIG_MSM_MDSS_PLL=y
 CONFIG_REMOTE_SPINLOCK_MSM=y
 CONFIG_IOMMU_IO_PGTABLE_FAST=y
-CONFIG_IOMMU_IO_PGTABLE_FAST_SELFTEST=y
 CONFIG_ARM_SMMU=y
 CONFIG_IOMMU_DEBUG=y
 CONFIG_IOMMU_DEBUG_TRACKING=y