Convert CONFIG_FSL_QIXIS et al to Kconfig

This converts the following to Kconfig:
   CONFIG_FSL_QIXIS
   CONFIG_QIXIS_I2C_ACCESS

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/T2080QDS_NAND_defconfig b/configs/T2080QDS_NAND_defconfig
index a69ab1e..6d4f282 100644
--- a/configs/T2080QDS_NAND_defconfig
+++ b/configs/T2080QDS_NAND_defconfig
@@ -11,6 +11,8 @@
 CONFIG_VID_FLS_ENV="t208xqds_vdd_mv"
 CONFIG_VOL_MONITOR_IR36021_READ=y
 CONFIG_VOL_MONITOR_IR36021_SET=y
+CONFIG_FSL_QIXIS=y
+# CONFIG_QIXIS_I2C_ACCESS is not set
 CONFIG_SPL_SERIAL=y
 CONFIG_SPL_DRIVERS_MISC=y
 CONFIG_SPL=y