Revert "mmc: core: Optimize entering HS400 mode"

This reverts commit 38a19925db99d0152a89e80fe1dcfe5e7aee92a1.
Revert "Revert "qseecom: Add support to handle multiple app load & unload""

This reverts commit 9e216563cf81d1099ebbc232776ff74020b03f6e.