Revert "arm64: defconfig: Enable FSL_MC_BUS and FSL_MC_DPIO"

This reverts commit d9678adb.

Received below report from Stefan.
Revert the commit until CAAM driver dependency cycles are fixed.

this patch in next-20181214 breaks "make modules_install" for
arm64/defconfig on my Ubuntu machine:

DEPMOD  4.20.0-rc6-next-20181214
depmod: ERROR: Found 6 modules in dependency cycles!
depmod: ERROR: Cycle detected: caamalg_desc -> dpaa2_caam -> authenc
depmod: ERROR: Cycle detected: caamalg_desc -> dpaa2_caam -> fsl_mc_dpio
depmod: ERROR: Cycle detected: dpaa2_caam -> caamhash_desc -> dpaa2_caam
depmod: ERROR: Cycle detected: caamalg_desc -> dpaa2_caam -> caamhash_desc -> error
depmod: ERROR: Cycle detected: caamalg_desc -> dpaa2_caam -> caamhash_desc -> caamalg_desc
Reported-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

arch/arm64/configs/defconfig

@@ -200,7 +200,6 @@ CONFIG_DMA_CMA=y
 CONFIG_CMA_SIZE_MBYTES=32
 CONFIG_HISILICON_LPC=y
 CONFIG_SIMPLE_PM_BUS=y
-CONFIG_FSL_MC_BUS=y
 CONFIG_MTD=y
 CONFIG_MTD_BLOCK=y
 CONFIG_MTD_M25P80=y
@@ -644,7 +643,6 @@ CONFIG_RPMSG_QCOM_GLINK_RPM=y
 CONFIG_RPMSG_QCOM_GLINK_SMEM=m
 CONFIG_RPMSG_QCOM_SMD=y
 CONFIG_RASPBERRYPI_POWER=y
-CONFIG_FSL_MC_DPIO=m
 CONFIG_QCOM_COMMAND_DB=y
 CONFIG_QCOM_GENI_SE=y
 CONFIG_QCOM_GLINK_SSR=m
@@ -737,7 +735,6 @@ CONFIG_NLS_ISO8859_1=y
 CONFIG_SECURITY=y
 CONFIG_CRYPTO_ECHAINIV=y
 CONFIG_CRYPTO_ANSI_CPRNG=y
-CONFIG_CRYPTO_DEV_FSL_DPAA2_CAAM=m
 CONFIG_PRINTK_TIME=y
 CONFIG_DEBUG_INFO=y
 CONFIG_DEBUG_FS=y