mmc: core: Optimize entering HS400 mode

In the current HS400 selection sequence high speed mode is entered
twice unnecessarily. Skip the first hs selection as it is also done
as part of entering high speed DDR mode.

Signed-off-by: Venkat Gopalakrishnan <venkatg@codeaurora.org>
Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>
Revert "qseecom: Add support to handle multiple app load & unload"

Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>