Merge branch '2022-07-07-Kconfig-migrations-dead-code-removal' into next

- Migrate more CONFIG options to Kconfig and remove some unused code
  while we're at it.
diff --git a/configs/ls2080aqds_sdcard_defconfig b/configs/ls2080aqds_sdcard_defconfig
index bc9febc..e972842 100644
--- a/configs/ls2080aqds_sdcard_defconfig
+++ b/configs/ls2080aqds_sdcard_defconfig
@@ -12,14 +12,14 @@
 CONFIG_ENV_OFFSET=0x300000
 CONFIG_DEFAULT_DEVICE_TREE="fsl-ls2080a-qds"
 CONFIG_SPL_TEXT_BASE=0x1800a000
-CONFIG_FSL_USE_PCA9547_MUX=y
-CONFIG_FSL_QIXIS=y
 CONFIG_FSL_LS_PPA=y
 CONFIG_SPL_MMC=y
 CONFIG_SPL_SERIAL=y
 CONFIG_SPL_DRIVERS_MISC=y
 CONFIG_SPL=y
 CONFIG_AHCI=y
+CONFIG_FSL_USE_PCA9547_MUX=y
+CONFIG_FSL_QIXIS=y
 CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y
 CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0x1800fff0
 CONFIG_REMAKE_ELF=y