vboot/ui: Rename UI functions

Prepare for copying UI functions to depthcharge.

Rename UI functions which will be copied to depthcharge in vboot
in order to avoid linking time error after copying the functions.

TEST=export CC=x86_64-pc-linux-gnu-clang DEBUG=1 DETACHABLE=0; \
     make -j test_setup && make -j runtests
TEST=export CC=x86_64-pc-linux-gnu-clang DEBUG=1 DETACHABLE=1; \
     make -j test_setup && make -j runtests
TEST=Hayato booted into developer mode

Change-Id: I840de3121dc2ccd8f6d05ec8a1538c3761f806da
Signed-off-by: edisonhello <edisonhello@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/vboot_reference/+/3060558
Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-by: Yu-Ping Wu <yupingso@chromium.org>
7 files changed